Prediction of Janice Tjen [393rd] vs Sayaka Ishii [198th] Head-to-Head At The 1970
By Wojtek Kolan

Form
W L W W L L W W W L
Form
W L W W W L L L W LHead-2-Head: Tjen 1 - 0 Ishii
They have played 2 sets in total, with Tjen winning 2 and Ishii winning 0. The last match between Tjen and Ishii was at the W35 Osaka, 10-04-2025, Second, Hard with Janice Tjen getting the victory 6-0 6-3.
Players | Head-To-Head Match Wins |
---|---|
Janice Tjen | 1 |
Sayaka Ishii | 0 |
Tjen | Stats | Ishii |
---|---|---|
62% (8-5) | YTD Win/Loss | 55% (11-9) |
1 | Head-to-Head | 0 |
393 | Ranking | 198 |
390 | Highest Rank | 188 |
22 | Age | 19 |
- | Plays | - |
7 | Titles | 1 |
79% (57-15) | Career Total W/L | 63% (103-61) |
$0 | Career Prize Money | $75,020 |
0 | YTD Titles | 0 |
1 | Hard H2H | 0 |
0 | Clay H2H | 0 |
0 | Indoor H2H | 0 |
0 | Grass H2H | 0 |
Recent Performance Stats (Last 6 Months)
Winning Player | Losing Player | Score | |||
---|---|---|---|---|---|
6-0 6-3 |
![]() ![]()
Janice Tjen
Player
Sayaka Ishii
75%
(
41 of
55)
1st Serve %
72%
(
34 of
47)
1
Aces
0
0
Double Faults
1
68%
(
28 of
41)
1st Serve Won
47%
(
16 of
34)
50%
(
7 of
14)
2nd Serve Won
15%
(
2 of
13)
56%
(
5 of
9)
Break Points Won
33%
(
1 of
3)
36%
(
20 of
55)
Rtn Points Won
62%
(
29 of
47)
64
Total Points Won
38
|
Stats | ||
---|---|---|
1 | H2H Matches | 0 |
2 | Sets Won | 0 |
12 | Games Won | 3 |
1 | Aces (Total) | 0 |
0 | Total Double Faults | 1 |
1:25:22 | Average Match Time | 1:25:22 |
75% (41/55) | 1st Serve % | 72% (34/47) |
68% (28/41) | 1st Serve Win % | 47% (16/34) |
50% (7/14) | 2nd Serve Win % | 15% (2/13) |
56% (5/9) | Break Points Won % (Total) | 33% (1/3) |
62% (29/47) | Return Points Win % | 36% (20/55) |
100% (1/1) | Best of 3 Sets Win % | 0% (0/1) |
0% (0/0) | Best of 5 Sets Win % | 0% (0/0) |
0% (0/0) | Tiebreaks Win % (Total) | 0% (0/0) |
0% (0/0) | Deciding Set Win % | 0% (0/0) |
100% (1/1) | 1st Set Won, Won Match | 0% (0/0) |
0% (1/0) | 1st Set Won, Lost Match | 0% (0/0) |
0% (0/0) | 1st Set Lost, Won Match | 0% (1/0) |
Currently displayed stats includes matches of all levels. To exclude lower level events (as per ATP / WTA official stats) toggle button in page footer.
Janice Tjen vs Sayaka Ishii Important H2H Prediction Stats:
Head-to-head: Tjen 1 - 0 Ishii
- Second serve performance recent form: In recent form (last 6 months), Tjen has won 33.67% of points on their second serve, while Ishii has won 39.25%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Tjen, in recent form, has won 46.78% of their opponent's second serve points, while Ishii has won 52.05%. The same stats for first serve returns are 29.25% and 31.22% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Tjen has saved 44.31% of breakpoints in recent form, whereas Ishii has saved 53.67% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Tjen has won 85.96% of matches played (W/L 49/ 8), with Ishii winning 58.33% (W/L 35/ 25) that gives us an overall head-to head prediction overview.
- Best surface: Tjen has their best career surface win % on Clay, winning 93% (W/L 13/ 1), and worse career win % on Hard, winning 76% (W/L 44/ 14). Ishii has their best career surface win % on I.hard, winning 64% (W/L 9/ 5), and worse career win % on Grass, winning 0% (W/L 0/ 1).
- Player level: In the last year, Tjen has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 100% of matches (W/L 32/ 0), where as Ishii has played most of their matches on the Challengers/ITF tournaments > $10K, winning 55.56% of matches (W/L 25/ 20). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
- Direct H2H matches: They have played 1 times before with Tjen winning 1 times and Ishii being victorious 0 times. They have played 2 sets in total, with Tjen winning 2 and Ishii winning 0. The last match between Tjen and Ishii was at the W35 Osaka, 10-04-2025, Second, Hard with Janice Tjen getting the victory 6-0 6-3.
- Head to head match duration: In past head to head matches, the average match time between these players has been 1:25:22.
- Deciding set H2H prediction: Tjen and Ishii have played a deciding set 0 times, with Tjen winning 0 times and Ishii 0 times. Very useful for predicting the outcome if this match goes the distance.
- Head-to-Head extreme pressure situations: They have played 0 tiebreaks against each other with Tjen winning 0, and Ishii 0.
- Opponent quality stats: Over the last 12 months, Tjen has played against opponents with an average rank of 232.6 while Ishii has played against players with an average rank of 237.42.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Tjen has won 67% of deciding sets over the last 12 months, while Ishii has won 63% in all matches played on tour.
- Current event H2H stats: Past player performance is very useful in predicting tennis matches, but once an event is under way we should also look at current event stats for in form player indication, so check the section below (if they have played a match in the current event). Some players also perform better at certain events and this should be taken into account when picking the outcome.
- Break point conversion: In recent form, Tjen has converted 38.24% of breakpoint opportunities, and Ishii has converted 39.02% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
- If you are interested in models that predict tennis matches, this article is a good start (Warning: Stats geeks only)
Janice Tjen vs Sayaka Ishii Best Odds For The Match
Janice Tjen Recent Matches Played
Before:
OPPONENT | Score | H2H | |||
---|---|---|---|---|---|
SF |
![]() ![]()
Yexin Ma
Player
Janice Tjen
60%
(
25 of
42)
1st Serve %
58%
(
28 of
48)
1
Aces
1
4
Double Faults
2
64%
(
16 of
25)
1st Serve Won
32%
(
9 of
28)
47%
(
8 of
17)
2nd Serve Won
30%
(
6 of
20)
58%
(
7 of
12)
Break Points Won
40%
(
2 of
5)
43%
(
18 of
42)
Rtn Points Won
69%
(
33 of
48)
57
Total Points Won
33
|
6-1 6-1 | H2H | ||
QF |
![]() ![]()
Janice Tjen
Player
Yeon Woo Ku
63%
(
34 of
54)
1st Serve %
54%
(
27 of
50)
4
Aces
1
0
Double Faults
4
74%
(
25 of
34)
1st Serve Won
52%
(
14 of
27)
65%
(
13 of
20)
2nd Serve Won
39%
(
9 of
23)
44%
(
4 of
9)
Break Points Won
0%
(
0 of
2)
30%
(
16 of
54)
Rtn Points Won
54%
(
27 of
50)
65
Total Points Won
39
|
6-1 6-2 | H2H | ||
R2 |
![]() ![]()
Janice Tjen
Player
Sayaka Ishii
75%
(
41 of
55)
1st Serve %
72%
(
34 of
47)
1
Aces
0
0
Double Faults
1
68%
(
28 of
41)
1st Serve Won
47%
(
16 of
34)
50%
(
7 of
14)
2nd Serve Won
15%
(
2 of
13)
56%
(
5 of
9)
Break Points Won
33%
(
1 of
3)
36%
(
20 of
55)
Rtn Points Won
62%
(
29 of
47)
64
Total Points Won
38
|
6-0 6-3 | H2H | ||
R1 |
![]() ![]()
Janice Tjen
Player
Shiho Akita
62%
(
42 of
68)
1st Serve %
58%
(
33 of
57)
3
Aces
1
1
Double Faults
2
76%
(
32 of
42)
1st Serve Won
70%
(
23 of
33)
58%
(
15 of
26)
2nd Serve Won
46%
(
11 of
24)
50%
(
4 of
8)
Break Points Won
33%
(
1 of
3)
31%
(
21 of
68)
Rtn Points Won
40%
(
23 of
57)
70
Total Points Won
55
|
6-2 7-5 | H2H | ||
R1 |
![]() ![]()
Haruna Arakawa
Player
Janice Tjen
57%
(
62 of
108)
1st Serve %
64%
(
72 of
113)
0
Aces
8
5
Double Faults
4
63%
(
39 of
62)
1st Serve Won
51%
(
37 of
72)
52%
(
24 of
46)
2nd Serve Won
51%
(
21 of
41)
73%
(
8 of
11)
Break Points Won
50%
(
5 of
10)
42%
(
45 of
108)
Rtn Points Won
49%
(
55 of
113)
118
Total Points Won
103
|
6-7(6) 6-4 6-2 | H2H | ||
R1 | 6-2 6-2 | H2H | |||
QF |
![]() ![]()
Janice Tjen
Player
Ruien Zhang
61%
(
39 of
64)
1st Serve %
66%
(
39 of
59)
2
Aces
0
5
Double Faults
8
79%
(
31 of
39)
1st Serve Won
56%
(
22 of
39)
44%
(
11 of
25)
2nd Serve Won
40%
(
8 of
20)
44%
(
4 of
9)
Break Points Won
0%
(
0 of
5)
34%
(
22 of
64)
Rtn Points Won
49%
(
29 of
59)
71
Total Points Won
52
|
6-3 6-1 | H2H | ||
Q1 |
![]() ![]()
Janice Tjen
Player
Chelsea Stergiopoulos
69%
(
24 of
35)
1st Serve %
46%
(
19 of
41)
1
Aces
0
0
Double Faults
8
75%
(
18 of
24)
1st Serve Won
42%
(
8 of
19)
73%
(
8 of
11)
2nd Serve Won
18%
(
4 of
22)
86%
(
6 of
7)
Break Points Won
0%
(
0 of
0)
26%
(
9 of
35)
Rtn Points Won
71%
(
29 of
41)
55
Total Points Won
21
|
6-1 6-0 | H2H | ||
R1 |
![]() ![]()
Maria Kozyreva
Player
Janice Tjen
82%
(
74 of
90)
1st Serve %
70%
(
57 of
82)
4
Aces
2
4
Double Faults
3
61%
(
45 of
74)
1st Serve Won
56%
(
32 of
57)
44%
(
7 of
16)
2nd Serve Won
40%
(
10 of
25)
42%
(
5 of
12)
Break Points Won
44%
(
4 of
9)
42%
(
38 of
90)
Rtn Points Won
49%
(
40 of
82)
92
Total Points Won
80
|
2-6 6-1 6-4 | H2H | ||
QF |
![]() ![]()
Janice Tjen
Player
Mei Yamaguchi
61%
(
53 of
87)
1st Serve %
63%
(
63 of
100)
6
Aces
1
2
Double Faults
7
70%
(
37 of
53)
1st Serve Won
59%
(
37 of
63)
41%
(
14 of
34)
2nd Serve Won
32%
(
12 of
37)
35%
(
7 of
20)
Break Points Won
44%
(
4 of
9)
41%
(
36 of
87)
Rtn Points Won
51%
(
51 of
100)
102
Total Points Won
85
|
6-2 4-6 6-3 | H2H |
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Sayaka Ishii Recent Matches Played
Before:
OPPONENT | Score | H2H | |||
---|---|---|---|---|---|
R2 |
![]() ![]()
Janice Tjen
Player
Sayaka Ishii
75%
(
41 of
55)
1st Serve %
72%
(
34 of
47)
1
Aces
0
0
Double Faults
1
68%
(
28 of
41)
1st Serve Won
47%
(
16 of
34)
50%
(
7 of
14)
2nd Serve Won
15%
(
2 of
13)
56%
(
5 of
9)
Break Points Won
33%
(
1 of
3)
36%
(
20 of
55)
Rtn Points Won
62%
(
29 of
47)
64
Total Points Won
38
|
6-0 6-3 | H2H | ||
R1 |
![]() ![]()
Sayaka Ishii
Player
Rina Saigo
72%
(
42 of
58)
1st Serve %
68%
(
43 of
63)
1
Aces
0
2
Double Faults
3
64%
(
27 of
42)
1st Serve Won
51%
(
22 of
43)
56%
(
9 of
16)
2nd Serve Won
35%
(
7 of
20)
50%
(
6 of
12)
Break Points Won
67%
(
2 of
3)
38%
(
22 of
58)
Rtn Points Won
54%
(
34 of
63)
70
Total Points Won
51
|
6-0 7-5 | H2H | ||
R2 |
![]() ![]()
Wakana Sonobe
Player
Sayaka Ishii
49%
(
37 of
75)
1st Serve %
57%
(
29 of
51)
4
Aces
2
3
Double Faults
6
59%
(
22 of
37)
1st Serve Won
55%
(
16 of
29)
63%
(
24 of
38)
2nd Serve Won
36%
(
8 of
22)
67%
(
4 of
6)
Break Points Won
17%
(
1 of
6)
39%
(
29 of
75)
Rtn Points Won
53%
(
27 of
51)
73
Total Points Won
53
|
6-1 6-4 | H2H | ||
R1 |
![]() ![]()
Emma Raducanu
Player
Sayaka Ishii
68%
(
27 of
40)
1st Serve %
73%
(
32 of
44)
6
Aces
0
1
Double Faults
1
78%
(
21 of
27)
1st Serve Won
44%
(
14 of
32)
54%
(
7 of
13)
2nd Serve Won
33%
(
4 of
12)
83%
(
5 of
6)
Break Points Won
100%
(
1 of
1)
30%
(
12 of
40)
Rtn Points Won
59%
(
26 of
44)
54
Total Points Won
30
|
6-2 6-1 | H2H | ||
SF |
![]() ![]()
Valentina Ryser
Player
Sayaka Ishii
59%
(
35 of
59)
1st Serve %
64%
(
42 of
66)
8
Aces
1
1
Double Faults
1
69%
(
24 of
35)
1st Serve Won
71%
(
30 of
42)
58%
(
14 of
24)
2nd Serve Won
38%
(
9 of
24)
33%
(
2 of
6)
Break Points Won
14%
(
1 of
7)
36%
(
21 of
59)
Rtn Points Won
41%
(
27 of
66)
65
Total Points Won
60
|
6-3 7-5 | H2H | ||
QF |
![]() ![]()
Sayaka Ishii
Player
Renata Jamrichova
58%
(
39 of
67)
1st Serve %
62%
(
34 of
55)
6
Aces
6
3
Double Faults
4
82%
(
32 of
39)
1st Serve Won
74%
(
25 of
34)
50%
(
14 of
28)
2nd Serve Won
38%
(
8 of
21)
67%
(
2 of
3)
Break Points Won
0%
(
0 of
2)
31%
(
21 of
67)
Rtn Points Won
40%
(
22 of
55)
68
Total Points Won
54
|
6-3 6-4 | H2H | ||
R2 |
![]() ![]()
Sayaka Ishii
Player
Camilla Rosatello
42%
(
5 of
12)
1st Serve %
55%
(
6 of
11)
1
Aces
1
0
Double Faults
1
80%
(
4 of
5)
1st Serve Won
83%
(
5 of
6)
43%
(
3 of
7)
2nd Serve Won
20%
(
1 of
5)
100%
(
1 of
1)
Break Points Won
100%
(
1 of
1)
42%
(
5 of
12)
Rtn Points Won
45%
(
5 of
11)
12
Total Points Won
11
|
6-3 6-4 | H2H | ||
R1 |
![]() ![]()
Sayaka Ishii
Player
Jana Fett
61%
(
62 of
102)
1st Serve %
60%
(
64 of
106)
4
Aces
2
4
Double Faults
12
65%
(
40 of
62)
1st Serve Won
64%
(
41 of
64)
40%
(
16 of
40)
2nd Serve Won
40%
(
17 of
42)
42%
(
5 of
12)
Break Points Won
45%
(
5 of
11)
45%
(
46 of
102)
Rtn Points Won
45%
(
48 of
106)
104
Total Points Won
104
|
3-6 6-4 6-4 | H2H | ||
R1 |
![]() ![]()
Ella Seidel
Player
Sayaka Ishii
60%
(
52 of
86)
1st Serve %
69%
(
50 of
72)
6
Aces
3
3
Double Faults
1
73%
(
38 of
52)
1st Serve Won
58%
(
29 of
50)
38%
(
13 of
34)
2nd Serve Won
32%
(
7 of
22)
50%
(
5 of
10)
Break Points Won
38%
(
3 of
8)
41%
(
35 of
86)
Rtn Points Won
50%
(
36 of
72)
87
Total Points Won
71
|
6-2 7-6(5) | H2H | ||
QF |
![]() ![]()
Sayaka Ishii
Player
Himeno Sakatsume
75%
(
65 of
87)
1st Serve %
67%
(
62 of
92)
1
Aces
0
3
Double Faults
1
68%
(
44 of
65)
1st Serve Won
56%
(
35 of
62)
41%
(
9 of
22)
2nd Serve Won
43%
(
13 of
30)
46%
(
6 of
13)
Break Points Won
57%
(
4 of
7)
39%
(
34 of
87)
Rtn Points Won
48%
(
44 of
92)
97
Total Points Won
82
|
6-4 4-6 6-2 | H2H |
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Where To Watch Tjen vs Ishii?
When the match starts we will have live scores and stats on this page. For live streaming at TV channels of this match, see our ATP and WTA worldwide viewing pages. Free trial live streaming of Tjen Vs Ishii is now available here.

Stats Breakdown Vs All H2H Opponents
Stats | ||
---|---|---|
79% (57/15) | Win/Loss | 63% (103/61) |
77% (116/35) | Sets Win/Loss | 59% (224/153) |
65% (808/440) | Games Win/Loss | 54% (1879/1598) |
0.21 | Aces Per Game | 0.15 |
128 | Aces Total | 260 |
0.19 | Double Faults Per Game | 0.39 |
117 | Total Double Faults | 666 |
1:11:51 | Average Match Time | 1:44:18 |
216.51 | Average Opponent Rank | 243.55 |
67% (2255/3375) | 1st Serve % | 62% (6523/10549) |
66% (1488/2255) | 1st Serve Win % | 64% (4145/6523) |
51% (567/1120) | 2nd Serve Win % | 45% (1804/4026) |
53% (304/571) | Break Points Won % (Total) | 50% (632/1257) |
53% (1886/3590) | Return Points Win % | 46% (4727/10255) |
80% (56/70) | Best of 3 Sets Win % | 63% (101/160) |
0% (0/1) | Best of 5 Sets Win % | 0% (0/2) |
40% (2/5) | Tiebreaks Win % (Total) | 52% (16/31) |
75% (6/8) | Deciding Set Win % | 64% (32/50) |
95% (57/54) | 1st Set Won, Won Match | 86% (94/81) |
4% (57/2) | 1st Set Won, Lost Match | 13% (94/12) |
20% (15/3) | 1st Set Lost, Won Match | 31% (70/22) |
Other Predictions
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