ATP Tour
Keisuke Saitoh
#550
ATP World Ranking - 78 pts
Player Archetype
⚔️ The Gladiator
A fierce competitor who thrives in physical battles and tight sets. Combines solid serve and return with an unyielding fighting spirit that makes every match a war of attrition.
Physical intensityBalanced gameStrong in deciding setsCompetitive fighter
Strong against
🛡️ The Spoiler60%
🧱 The Wall52%
Weak against
🏹 Frontrunner37%
🤖 Servebot42%
Player Overview
Age
25
Height
5'4" (163 cm)
Weight
68 kg (150 lbs)
Plays
Left-Handed, Two-Handed BH
Career-High Ranking
#548 (2026-09-21)
Career
66
Wins
52
Losses
55.9%
Win %
0
Titles
Win / Loss by Year
Career record broken down by surface
| Year | Summary | Clay | Hard | Grass |
|---|---|---|---|---|
| 2026 | 43/19 | - | 43/19 | - |
| 2025 | 21/25 | - | 20/24 | 1/1 |
| 2024 | 1/2 | - | 1/2 | - |
| 2023 | 0/3 | - | 0/3 | - |
| 2022 | 0/4 | - | 0/4 | - |
| Career | 65/53 | - | 64/52 | 1/1 |
Serve & Return
Averages · Last 90 days (24 matches)
Serve
1st Serve In-
1st Serve Pts Won-
2nd Serve Pts Won-
Break Points Saved-
Aces / Match1.7
Double Faults / Match1.5
Avg 1st Serve-
Max Serve Speed-
Return
1st Return Pts Won-
2nd Return Pts Won-
Break Points Converted-
Rally
Winners / Match-
Unforced Errors / Match-
Net Pts Won %-
Total Pts Won %-
Prop Research
Career hit rates on common betting markets · 116 serve-stat matches
Keisuke Saitoh has served 3+ aces in 29.3% of career matches and 5+ aces in 7.8%.
Ace Totals
| Outcome | Hit rate | Matches |
|---|---|---|
| 1 or more | 69% | 80/116 |
| 3 or more | 29% | 34/116 |
| 5 or more | 8% | 9/116 |
| 10 or more | 2% | 2/116 |
| 15 or more | 0% | 0/116 |
| 20 or more | 0% | 0/116 |
Double Fault Totals
| Outcome | Hit rate | Matches |
|---|---|---|
| 1 or more | 84% | 97/116 |
| 2 or more | 49% | 57/116 |
| 3 or more | 27% | 31/116 |
| 5 or more | 9% | 10/116 |
| 8 or more | 1% | 1/116 |
| 10 or more | 0% | 0/116 |
Total Sets
| Outcome | Hit rate | Matches |
|---|---|---|
| 2 Sets | 82% | 96/117 |
| 3 Sets | 18% | 21/117 |
Set Betting
| Outcome | Hit rate | Matches |
|---|---|---|
| 2-0 | 41% | 48/117 |
| 2-1 | 15% | 17/117 |
| 1-2 | 3% | 4/117 |
| 0-2 | 41% | 48/117 |
Match/Set Winner
| Outcome | Hit rate | Matches |
|---|---|---|
| 1st Set Winner | 49% | 57/117 |
| 2nd Set Winner | 51% | 60/117 |
| 3rd Set Winner | 81% | 17/21 |
Recent Matches
Last 10 results
FormLWWWW
| Date | Tournament | Round | Opponent | Surface | Score | Result |
|---|---|---|---|---|---|---|
| Oct 10, 2026 | Wuning 3 Challenger | Semifinals | Jay Dylan Hara Friend | Hard | 26 16 | L |
| Oct 9, 2026 | Wuning 3 Challenger | Quarterfinals | Akira Santillan | Hard | 67 61 64 | W |
| Oct 7, 2026 | Wuning 3 Challenger | 2nd Round | Hiroki Moriya | Hard | 62 63 | W |
| Oct 6, 2026 | Wuning 3 Challenger | 1st Round | Dominik Palan | Hard | 76 64 | W |
| Oct 5, 2026 | Wuning 3 Challenger | 3rd Round Qualifying | Yusuke Takahashi | Hard | 46 63 62 | W |
| Oct 4, 2026 | Wuning 3 Challenger | 1st Round Qualifying | Zhicheng Wang | Hard | 61 60 | W |
| Sep 29, 2026 | Jingshan Challenger | 3rd Round Qualifying | Mattia Bellucci | Hard | 26 26 | L |
| Sep 28, 2026 | Jingshan Challenger | 1st Round Qualifying | Koki Matsuda | Hard | 63 62 | W |
| Sep 13, 2026 | M25 Sapporo | Final | Jerry Roddick | Hard | 16 63 63 | W |
| Sep 12, 2026 | M25 Sapporo | Semifinals | Seongchan Hong | Hard | 67 62 64 | W |
Keisuke Saitoh FAQ
Keisuke Saitoh is ranked #550 on the ATP tour with 78 ranking points. The career-high ranking is #548, reached in 2026.
Keisuke Saitoh is from Japan.
Keisuke Saitoh is listed at 5'4" (163 cm). Listed weight is 68 kg (150 lb).
Keisuke Saitoh is 25 years old.
Keisuke Saitoh plays left-handed with a two-handed backhand.
Keisuke Saitoh has a career win-loss record of 66-52 (56% win rate).
Keisuke Saitoh: a career-high ranking of #548 in 2026 and 66 career wins.
Keisuke Saitoh's strongest surface by win rate is hard, with a 64-52 record (55%). Full career splits: hard 64-52 (55%) and grass 1-1 (50%).
Keisuke Saitoh has won 8 of the last 10 completed matches (80%).