Sara Saito vs Giselle Isabella Guillen Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
S. Saito vs G. Isabella Guillen
Sara Saito
JPN
l
w
w
w
w
w
w
w
w
l
0
Win
0
Played
0
Win
19
Age
17
-
Height
-
250
C. Rank
0
150
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$12.2K
Career Money
$0
-
Plays
-
Giselle Isabella Guillen
AUS
l
w
w
w
w
w
w
w
l
l
0
Win
0
Played
0
Win
19
Age
17
-
Height
-
250
C. Rank
0
150
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$12.2K
Career Money
$0
-
Plays
-
Head-to-head: Saito 0 - 0 Guillen
| Players | Head To Head Match Wins |
|---|---|
| Saito | 0 |
| Guillen | 0 |
Last 0 H2H Matches:
No past h2h happened.
S. Saito vs G. I. Guillen H2H Profile
| Stats | ||
|---|---|---|
| $12,193 | Career Prize Money | $0 |
| 61.27% (106-67) | Career Total W/L | 61.54% (8-5) |
| 4 | Titles | 1 |
| 0% (0-0) | YTD Win/Loss | 0% (0-0) |
S. Saito vs G. I. Guillen Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Sara Saito has won 36.76% of points on their second serve, while Giselle Isabella Guillen has won 31.40%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Sara Saito, in recent form, has won 51.76% of their opponent's second serve points, while Giselle Isabella Guillen has won 46.85%. The same stats for first serve returns are 34.72% and 34.55% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Sara Saito has saved 44.37% of breakpoints in recent form, whereas Giselle Isabella Guillen has saved 50.00% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Sara Saito has won 54.24% of matches played (W/L 32/27), with Giselle Isabella Guillen winning 66.67% (W/L 8/4) that gives us an overall head-to head prediction overview.
- Best surface: Sara Saito has their best career surface win % on I.hard, winning 68% (W/L 13/6), and worse career win % on Grass, winning 43% (W/L 3/4). Giselle Isabella Guillen has their best career surface win % on Hard, winning 68% (W/L 7/4), and worse career win % on Grass, winning 50% (W/L 1/1).
- Player level: In the last year, Sara Saito has played most of their matches on the Challengers/ITF tournaments > $10K, winning 59.26% of matches (W/L 32/22), where as Giselle Isabella Guillen has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 100.00% of matches (W/L 7/0). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
- Opponent quality stats: Over the last 12 months, Sara Saito has played against opponents with an average rank of 276.53 while Giselle Isabella Guillen has played against players with an average rank of 475.5.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Sara Saito has won 50% of deciding sets over the last 12 months, while Giselle Isabella Guillen has won 100% in all matches played on tour.
- Break point conversion: In recent form, Sara Saito has converted 42.93% of breakpoint opportunities, and Giselle Isabella Guillen has converted 43.75% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Sara Saito vs Giselle Isabella Guillen Editorial Preview By TennisTipster88.
Recent Performance Stats
2nd Serve Win %: Saito 43%, Guillen 46%.
Opp 2nd Serve Pts Won: Saito 57%, Guillen 64%.
Break Points Saved %: Saito 50%, Guillen 53%.
S. Saito Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
 W35 Hamamatsu - 03-11-2025 | ||||
SF Eri ShimizuE. Shimizu | L | 6-4 4-6 6-4 | ||
QF Kisa YoshiokaK. Yoshioka | W | 7-5 6-1 | ||
R2 Hayu KinoshitaH. Kinoshita | W | 7-5 6-4 | ||
R1 Erika SemaE. Sema | W | 6-1 6-2 | ||
| W35 Makinohara - 27-10-2025 | ||||
F  Dayeon BackD. Back | W | 6-1 6-2 | ||
G. I. Guillen Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
 W35 Wagga Wagga - 15-09-2025 | ||||
R1 Erika SemaE. Sema | L | 6-3 6-1 | ||
| W35 Wagga Wagga - 08-09-2025 | ||||
R1  Katie SwanK. Swan | L | 6-3 6-0 | ||
| W15 Tweed Heads - 04-08-2025 | ||||
F Catherine AuliaC. Aulia | W | 6-3 1-6 6-4 | ||
SF Yuno KitaharaY. Kitahara | W | 6-1 6-2 | ||
QF Alicia SmithA. Smith | W | 7-5 6-4 | ||
S. Saito vs G. I. Guillen Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 61.27% (106/67) | YTD Win/Loss | 61.54% (8/5) |
| 58.21% (227/163) | Sets Win/Loss | 56.67% (17/13) |
| 53.63% (1914/1655) | Games Win/Loss | 52.71% (136/122) |
| 56.98% (49/37) | Hard Win/Loss | 63.64% (7/4) |
| 55.26% (21/17) | Clay Win/Loss | 0% (0/0) |
| 78.57% (33/9) | Indoor Hard W/L | 0% (0/0) |
| 42.86% (3/4) | Grass Win/Loss | 50.00% (1/1) |
| 0.1 | Aces Per Game | 0.06 |
| 179 | Aces Total | 8 |
| 0.31 | Double Faults Per Game | 0.34 |
| 537 | Total Double Faults | 43 |
| 1:32:37 | Average Match Time | 1:14:37 |
| 282.68 | Average Opponent Rank | 498.77 |
| 66% (7335/11071) | 1st Serve % | 60% (392/649) |
| 61% (4483/7335) | 1st Serve Win % | 58% (226/392) |
| 46% (1728/3736) | 2nd Serve Win % | 47% (120/257) |
| 49% (728/1486) | Break Points Won % (Total) | 43% (34/79) |
| 47% (5274/11211) | Return Points Win % | 44% (276/621) |
| 28.57% (2/5) | Slam W/L | 0% (0/0) |
| 36.36% (4/7) | Main Tour W/L | 0% (0/0) |
| 65.13% (99/53) | Challenger W/L | 16.67% (1/5) |
| 33.33% (1/2) | Futures W/L | 100.00% (7/0) |
| 60% (102/169) | Best of 3 Sets Win % | 62% (8/13) |
| 100% (2/2) | Best of 5 Sets Win % | 0% (0/0) |
| 41% (13/32) | Tiebreaks Win % (Total) | 67% (2/3) |
| 59% (27/46) | Deciding Set Win % | 75% (3/4) |
| 91% (98/89) | 1st Set Won, Won Match | 100% (7/7) |
| 9% (98/9) | 1st Set Won, Lost Match | 0% (7/0) |
| 21% (73/15) | 1st Set Lost, Won Match | 17% (6/1) |
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