Prediction of Kei Nishikori vs Diego Hartfield Head-to-Head, At
Wojtek Kolan
HEAD TO HEAD
K. Nishikori vs D. Hartfield
Kei Nishikori
JPN
w
l
w
l
w
l
l
w
w
l
1
Win
1
Played
0
Win
35
Age
44
5'10" (178 cm)
Height
6'1" (185 cm)
156
C. Rank
Ret.
4
Best Rank
73
12
Total Titles
0
0
YTD Titles
0
$19.1M
Career Money
$134.8K
Right-Handed
Plays
Right-Handed
Diego Hartfield
ARG
w
l
l
l
l
l
l
w
w
l
1
Win
1
Played
0
Win
35
Age
44
5'10" (178 cm)
Height
6'1" (185 cm)
156
C. Rank
Ret.
4
Best Rank
73
12
Total Titles
0
0
YTD Titles
0
$19.1M
Career Money
$134.8K
Right-Handed
Plays
Right-Handed
Head-to-head: Nishikori 1 - 0 Hartfield
They have played 2 sets in total, with Kei Nishikori winning 2 and Diego Hartfield winning 0. The last match between Kei Nishikori and Diego Hartfield was at the SAP Open - San Jose, 20-02-2008, Round: R1, Surface: I.hard, with Kei Nishikori getting the victory 7-5 6-3.
| Players | Head To Head Match Wins |
|---|---|
| Nishikori | 1 |
| Hartfield | 0 |
Last 1 H2H Matches:
(R1) SAP Open - San Jose(02-20-08)
Kei Nishikori
7
6
Diego Hartfield
5
3
K. Nishikori vs D. Hartfield H2H Profile
| Stats | ||
|---|---|---|
| $19,078,945 | Career Prize Money | $134,835 |
| 68.00% (597-281) | Career Total W/L | 53.78% (199-171) |
| 1 | Indoor | 0 |
| 21 | Titles | 5 |
| 1 | Total H2H Matches | 0 |
| 50.00% (10-10) | YTD Win/Loss | 0% (0-0) |
K. Nishikori vs D. Hartfield Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Kei Nishikori has won 47.96% of points on their second serve, while Diego Hartfield has won 0%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Kei Nishikori, in recent form, has won 47.92% of their opponent's second serve points, while Diego Hartfield has won 0%. The same stats for first serve returns are 23.61% and 0% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Kei Nishikori has saved 30.77% of breakpoints in recent form, whereas Diego Hartfield has saved 0% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Kei Nishikori has won 55.56% of matches played (W/L 15/12), with Diego Hartfield winning 0% (W/L 0/0) that gives us an overall head-to head prediction overview.
- Best surface: Kei Nishikori has their best career surface win % on I.hard, winning 71% (W/L 110/45), and worse career win % on Grass, winning 63% (W/L 48/28). Diego Hartfield has their best career surface win % on Clay, winning 71% (W/L 164/126), and worse career win % on I.hard, winning 36% (W/L 4/7).
- Player level: In the last year, Kei Nishikori has played most of their matches on the Main tour, winning 54.55% of matches (W/L 6/5), where as Diego Hartfield has played most of their matches on the N/A, winning 0% of matches (W/L 0/0). 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 Kei Nishikori winning 1 times and Diego Hartfield being victorious 0 times. They have played 2 sets in total, with Kei Nishikori winning 2 and Diego Hartfield winning 0.
- The last match between Kei Nishikori and Diego Hartfield was at the SAP Open - San Jose, 20-02-2008, Round: R1, Surface: I.hard, with Kei Nishikori getting the victory 7-5 6-3.
- Head to head match duration: In past head to head matches, the average match time between these players has been 0:0:0.
- Opponent quality stats: Over the last 12 months, Kei Nishikori has played against opponents with an average rank of 135.96 while Diego Hartfield has played against players with an average rank of 0.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Kei Nishikori has won 73% of deciding sets over the last 12 months, while Diego Hartfield has won 0% in all matches played on tour.
- Break point conversion: In recent form, Kei Nishikori has converted 25.00% of breakpoint opportunities, and Diego Hartfield has converted 0% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Kei Nishikori vs Diego Hartfield Editorial Preview By TennisTipster88.
K. Nishikori vs D. Hartfield H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 0 |
| 2 | Sets Won | 0 |
| 13 | Games Won | 8 |
| 2 | Aces (Total) | 0 |
| 3 | Total Double Faults | 3 |
| 0:0:0 | Average Match Time | 0:0:0 |
| 52% (29/56) | 1st Serve % | 63% (38/60) |
| 83% (24/29) | 1st Serve Win % | 50% (19/38) |
| 33% (9/27) | 2nd Serve Win % | 45% (10/22) |
| 75% (6/8) | Break Pts Won % | 60% (3/5) |
| 52% (31/60) | Return Points Win % | 41% (23/56) |
| 100% (1/1) | Best‑of‑3 Win % | 0% (0/1) |
| 100% (1/1) | 1st Set Won, Won Match | 0% (0/0) |
| 0% (0/1) | 1st Set Won, Lost Match | 0% (0/0) |
| 0% (0/0) | 1st Set Lost, Won Match | 0% (0/1) |
Recent Performance Stats
2nd Serve Win %: Nishikori 49%, Hartfield 0%.
Opp 2nd Serve Pts Won: Nishikori 50%, Hartfield 0%.
Break Points Saved %: Nishikori 58%, Hartfield 0%.
K. Nishikori Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
 Yokohama Challenger - 17-11-2025 | ||||
QF Kaichi UchidaK. Uchida | L | 6-2 6-2 | ||
R2  Sanhui ShinS. Shin | W | 6-4 6-1 | ||
R1 Taisei IchikawaT. Ichikawa | W | 4-6 6-1 6-1 | ||
| Cincinnati Open - Cincinnati - 04-08-2025 | ||||
R1 Camilo Ugo CarabelliC. Ugo | L | 7-5 6-3 | ||
 Gonet Geneva Open - Geneva - 19-05-2025 | ||||
R2  Karen KhachanovK. Khachanov | L | 7-5 2-5 ret. | ||
D. Hartfield Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| Buenos Aires Challenger - 22-11-2010 | ||||
R2 Andres MolteniA. Molteni | L | 6-1 6-2 | ||
R1  Ruben Ramirez-HidalgoR. Ramirez-Hidalgo | W | 6-1 6-3 | ||
| Argentina F22 - 01-11-2010 | ||||
R1 Matias-Omar TelloM. Tello | W | 3-6 6-0 6-1 | ||
R2 Marco TrungellitiM. Trungelliti | L | 6-7(4) 7-6(4) 6-3 | ||
| Sao Paulo Challenger - 25-10-2010 | ||||
R1  Yuriy SchukinY. Schukin | L | 6-3 7-5 | ||
K. Nishikori vs D. Hartfield Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 68.00% (597/281) | YTD Win/Loss | 53.78% (199/171) |
| 62.25% (1400/849) | Sets Win/Loss | 53.09% (473/418) |
| 53.87% (11512/9858) | Games Win/Loss | 51.59% (4387/4116) |
| 67.73% (298/142) | Hard Win/Loss | 45.45% (25/30) |
| 68.29% (140/65) | Clay Win/Loss | 56.55% (164/126) |
| 70.70% (111/46) | Indoor Hard W/L | 42.86% (6/8) |
| 63.16% (48/28) | Grass Win/Loss | 36.36% (4/7) |
| 0.23 | Aces Per Game | 0.07 |
| 2447 | Aces Total | 280 |
| 0.18 | Double Faults Per Game | 0.05 |
| 1933 | Total Double Faults | 215 |
| 1:27:13 | Average Match Time | 1st Match |
| 454.75 | Average Opponent Rank | 539.08 |
| 62% (36638/59204) | 1st Serve % | 65% (3685/5654) |
| 70% (25783/36638) | 1st Serve Win % | 67% (2451/3685) |
| 53% (12033/22551) | 2nd Serve Win % | 48% (948/1965) |
| 41% (2546/6179) | Break Points Won % (Total) | 39% (210/540) |
| 40% (24128/60796) | Return Points Win % | 38% (2201/5731) |
| 69.43% (109/48) | Slam W/L | 43.48% (10/13) |
| 61.98% (119/73) | Masters W/L | 33.33% (1/2) |
| 76.00% (19/6) | Cups W/L | 0% (0/0) |
| 69.57% (224/98) | Main Tour W/L | 45.76% (27/32) |
| 35.71% (5/9) | Tour Finals W/L | 0% (0/0) |
| 72.58% (90/34) | Challenger W/L | 54.42% (117/98) |
| 71.43% (20/8) | Futures W/L | 62.86% (44/26) |
| 68% (476/698) | Best of 3 Sets Win % | 55% (195/356) |
| 72% (113/158) | Best of 5 Sets Win % | 25% (3/12) |
| 59% (165/281) | Tiebreaks Win % (Total) | 45% (54/119) |
| 73% (201/277) | Deciding Set Win % | 49% (68/139) |
| 92% (512/470) | 1st Set Won, Won Match | 80% (200/159) |
| 8% (512/41) | 1st Set Won, Lost Match | 21% (200/41) |
| 35% (366/128) | 1st Set Lost, Won Match | 24% (170/40) |
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