Hayashi Kohei - profile
   | 
			Hayashi KoheiCountry: Japan Age: 24 (8. 3. 2001) Current/Highest rank - singles: - / 1549. Current/Highest rank - doubles: 1621. / 1611. Sex: man Plays: right  | 
		
- Next match
 
| Tournament | Round | Start | Match | H | A | 
|---|---|---|---|---|---|
| No upcoming matches. | |||||
- Tournaments results
 
Player's record
| Year | Summary | Clay | Hard | Indoors | Grass | Not set | 
|---|---|---|---|---|---|---|
| Summary: | 20/24 | 1/2 | 18/21 | 1/1 | - | - | 
| 2025 | 8/9 | 0/1 | 8/8 | - | - | - | 
| 2024 | 12/14 | 1/1 | 10/12 | 1/1 | - | - | 
| 2022 | 0/1 | - | 0/1 | - | - | - | 
| Year | Summary | Clay | Hard | Indoors | Grass | Not set | 
|---|---|---|---|---|---|---|
| Summary: | 6/12 | 2/2 | 4/9 | 0/1 | - | - | 
| 2025 | 5/4 | 2/1 | 3/3 | - | - | - | 
| 2024 | 1/8 | 0/1 | 1/6 | 0/1 | - | - | 
No record for this player.
| Year | Main tournaments | Lower level tournaments | ||||
|---|---|---|---|---|---|---|
| No titles | ||||||
| Year | Main tournaments | Lower level tournaments | ||||
|---|---|---|---|---|---|---|
| No titles | ||||||
| Year | Main tournaments | Lower level tournaments | ||||
|---|---|---|---|---|---|---|
| No titles | ||||||
| Futures 2025 | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 09.07. | Shiraishi H. - Hayashi K. | 1R | 6-2, 6-2 | 1.07 | 6.95 | |
| 08.07. | Hayashi K. - Yukawa Y. | Q-R16 | 6-3, 3-6, 10-6 | 1.84 | 1.84 | |
| 07.07. | Hayashi K. - Tange S. | Q-1R | 6-2, 6-4 | |||
| 04.06. | Suzuki K. - Hayashi K. | 1R | 6-3, 6-3 | 1.67 | 2.08 | |
| 20.04. | Okamura I. - Hayashi K. | Q-1R | 6-0, 3-6, 10-8 | |||
| 15.04. | Otsuka K. - Hayashi K. | Q-R16 | 6-3, 7-5 | 2.35 | 1.52 | |
| 12.04. | Hayashi K. - Tagashira K. | Q-1R | 4-6, 6-2, 10-5 | |||
| 26.03. | Huang T. - Hayashi K. | 1R | 6-1, 6-0 | 1.21 | 4.06 | |
| 23.03. | Hayashi K. - Nakanishi S. | Q-R16 | 6-2, 6-1 | |||
| 22.03. | Hayashi K. - Horiuchi R. | Q-1R | 6-3, 6-1 | |||
| 18.03. | Kusuhara Y. - Hayashi K. | Q-R16 | 6-1, 6-3 | 1.28 | 3.50 | |
| 16.03. | Hayashi K. - Sohda M. | Q-1R | 6-2, 6-1 | |||
| 09.03. | Lee M. - Hayashi K. | Q-2R | 7-6, 6-7, 10-6 | |||
| 08.03. | Hayashi K. - Ota K. | Q-1R | 6-1, 6-1 | |||
| 19.01. | Habib A. - Hayashi K. | Q-1R | 6-3, 1-6, 11-9 | 1.20 | 4.27 | |
| 13.01. | Tajima N. - Hayashi K. | Q-R16 | 6-2, 7-66 | 1.25 | 3.75 | |
| 12.01. | Hayashi K. - Smirnou A. | Q-1R | 6-1, 6-1 | |||
| Futures 2025 | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 06.06. | Kono / Tanak - Hayas / Sugay | SF | 6-4, 7-5 | |||
| 06.06. | Hayas / Sugay - Delan / Delan | QF | 6-4, 6-2 | 3.09 | 1.33 | |
| 05.06. | Hayas / Sugay - Gibso / Singh | R16 | 6-0, 6-3 | 1.26 | 3.51 | |
| 25.04. | Kusuh / Noguc - Hayas / Nishi | SF | 4-6, 6-0, 10-8 | 1.50 | 2.44 | |
| 24.04. | Hayas / Nishi - Huang / Ichik | QF | 0-6, 1-1 | |||
| 24.04. | Hayas / Nishi - Adach / Kojim | R16 | 6-2, 6-3 | 1.06 | 7.31 | |
| 14.03. | Kono / Okamu - Hayas / Sach | QF | 6-0, 2-6, 10-6 | 1.41 | 2.67 | |
| 11.03. | Hayas / Sach - Sueok / Sumiz | R16 | 6-3, 4-6, 10-4 | 5.00 | 1.14 | |
| 14.01. | Horoz / Ilkel - Hayas / Valse | R16 | 6-2, 6-2 | 1.58 | 2.25 | |
| No matches. | 
| Futures 2024 | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 17.12. | Matta / Taylo - Hayas / Ryan | R16 | 5-7, 6-3, 10-7 | 1.37 | 2.74 | |
| 10.12. | Court / Hoole - Hayas / Voisi | R16 | 6-1, 6-1 | 1.05 | 7.25 | |
| 30.10. | Fukud / Kawah - Hayas / Yaman | R16 | 6-1, 7-62 | 1.57 | 2.21 | |
| 22.10. | Choe / Shin - Chaiy / Hayas | R16 | 6-3, 7-5 | 1.08 | 6.46 | |
| 18.09. | Watan / Yuzuk - Hayas / Takam | R16 | 6-3, 6-0 | |||
| 09.07. | Kono / Kusuh - Hayas / Jang | R16 | 5-7, 6-2, 10-8 | 1.24 | 3.61 | |
| 06.06. | Fukud / Isomu - Hayas / Kusuh | QF | 6-3, 6-4 | 1.82 | 1.82 | |
| 04.06. | Hayas / Kusuh - Attur / Schem | R16 | 6-2, 6-0 | 1.01 | 10.50 | |
| 29.05. | Kusuh / Nakag - Hayas / Sugay | R16 | 7-5, 3-6, 10-5 | 1.03 | 7.50 | |
| No matches. | 
| Yokohama challenger | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 30.10. | Tanuma R. - Hayashi K. | Q-1R | 6-2, 6-1 | |||
| No matches. | 
| No matches. | 
- Injuries
 
| Start | Tournament | Reason | 
|---|---|---|
| The player had no injuries. | ||
This week's tournaments
| Main tournaments | ||||
| Athens | 14 | |||
| Metz | 11 | |||
| Masters Cup WTA | 11 | |||
| Lower level tournaments | ||||
| Helsinki challenger | 16 | |||
| Taipei challenger | 14 | |||
| Lima 3 challenger | 22 | |||
| Matsuyama challenger | 13 | |||
| Knoxville challenger | 20 | |||
| UTR Pro Tennis Series 3 | 279 | |||
| UTR Pro Tennis Series 5 | 62 | |||
| UTR Pro Tennis Series 9 | 66 | |||
| Austin 2 | 11 | |||
| Tucuman | 12 | |||
| Faro ITF | 18 | |||
| Hamamatsu ITF | 18 | |||
| Liberec ITF | 15 | |||
| Orlando 3 ITF | 26 | |||
| UTR Pro Tennis Series 5 | 35 | |||
| UTR Pro Tennis Series 9 | 13 | |||
| Antalya 32 ITF | 18 | |||
| Castellon 2 ITF | 19 | |||
| Heraklion 9 ITF | 20 | |||
| Lincoln ITF | 15 | |||
| Monastir 6 ITF | 13 | |||
| Neuquén 2 ITF | 24 | |||
| Sharm El Sheikh 20 ITF | 6 | |||
| Solarino 4 ITF | 13 | |||
| Szabolcsveresmart ITF | 15 | |||
| UTR Pro Match Series | 156 | |||
- Player's profile
 
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