Saitoh Keisuke / Sumizawa Daisuke - profil
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Saitoh KeisukeCountry: Japan 
Height / Weight: 163 cm / 68 kg 
Age: 24 (29. 4. 2001) 
Current/Highest rank - singles: 855. / 552. Current/Highest rank - doubles: 657. / 458. Plays: left 
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Sumizawa DaisukeCountry: Japan 
Height / Weight: 175 cm / 67 kg 
Age: 26 (31. 1. 1999) 
Current/Highest rank - singles: 858. / 687. Current/Highest rank - doubles: 807. / 512. Plays: right 
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- Next match
 
| Tournament | Round | Start | Match | H | A | 
|---|---|---|---|---|---|
| No upcoming matches. | |||||
- Tournaments results
 
Doubles team's record
- Played matches - 2025
 
| Futures 2025 | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 14.09. | Mochi / Noguc - Saito / Sumiz | F | 6-3, 6-3 | 1.68 | 2.06 | |
| 12.09. | Saito / Sumiz - Honda / Matsu | SF | 5-7, 6-2, 10-7 | |||
| 12.09. | Saito / Sumiz - Ichik / Isomu | QF | 7-64, 6-2 | |||
| 09.09. | Saito / Sumiz - Katay / Kusuh | R16 | 6-3, 6-3 | 2.48 | 1.48 | |
This week's tournaments
| Main tournaments | ||||
| Athens | 14 | |||
| Metz | 13 | |||
| Masters Cup WTA | 12 | |||
| Lower level tournaments | ||||
| Helsinki challenger | 21 | |||
| Taipei challenger | 21 | |||
| Lima 3 challenger | 22 | |||
| Matsuyama challenger | 19 | |||
| Knoxville challenger | 20 | |||
| UTR Pro Tennis Series 3 | 283 | |||
| UTR Pro Tennis Series 5 | 68 | |||
| UTR Pro Tennis Series 9 | 73 | |||
| Austin 2 | 11 | |||
| Tucuman | 12 | |||
| Faro ITF | 20 | |||
| Hamamatsu ITF | 24 | |||
| Liberec ITF | 20 | |||
| Orlando 3 ITF | 26 | |||
| UTR Pro Tennis Series 5 | 43 | |||
| UTR Pro Tennis Series 9 | 13 | |||
| Antalya 32 ITF | 24 | |||
| Castellon 2 ITF | 25 | |||
| Heraklion 9 ITF | 21 | |||
| Lincoln ITF | 8 | |||
| Monastir 6 ITF | 24 | |||
| Neuquén 2 ITF | 24 | |||
| Sharm El Sheikh 20 ITF | 16 | |||
| Solarino 4 ITF | 20 | |||
| Szabolcsveresmart ITF | 21 | |||
| UTR Pro Match Series | 165 | |||
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