Koay Hao Sheng - profile
   | 
			Koay Hao ShengCountry: Malaysia Age: 27 (27. 7. 1998) Current/Highest rank - doubles: - / 2126. 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: | 15/17 | 2/2 | 0/7 | 4/3 | - | 9/5 | 
| 2025 | 8/2 | - | - | 4/2 | - | 4/0 | 
| 2023 | 0/3 | - | 0/3 | - | - | - | 
| 2022 | 3/2 | - | 0/1 | - | - | 3/1 | 
| 2021 | 1/4 | - | 0/2 | - | - | 1/2 | 
| 2017 | 2/3 | 2/2 | - | - | - | 0/1 | 
| 2016 | 1/1 | - | - | - | - | 1/1 | 
| 2014 | 0/2 | - | 0/1 | 0/1 | - | - | 
| Year | Summary | Clay | Hard | Indoors | Grass | Not set | 
|---|---|---|---|---|---|---|
| Summary: | 2/5 | - | 2/5 | - | - | - | 
| 2023 | 1/2 | - | 1/2 | - | - | - | 
| 2022 | 1/2 | - | 1/2 | - | - | - | 
| 2021 | 0/1 | - | 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 | ||
|---|---|---|---|---|---|---|
| 27.08. | Vardhan V. - Koay H. | 1R | 3-6, 6-4, 7-63 | 1.36 | 2.90 | |
| 25.08. | Koay H. - Vishenchuk Vishenko D. | Q-R16 | 7-6, 6-1 | |||
| 24.08. | Koay H. - Xie X. | Q-2R | 6-2, 1-6, 10-8 | |||
| 24.08. | Koay H. - Wang Y. | Q-1R | 6-0, 6-2 | |||
| 17.08. | Jang Y. - Koay H. | Q-2R | 6-3, 6-3 | |||
| 17.08. | Koay H. - Cavero E. | Q-1R | 6-1, 6-1 | |||
| Davis Cup | Round | Result | H | A | ||
| 19.07. | Koay H. - Zayid M. | 7-5, 6-2 | ||||
| 18.07. | Koay H. - Mirdzhaliev M. | 6-4, 5-7, 5-2 | ||||
| 17.07. | Koay H. - Ghrairi A. | 7-66, 7-5 | ||||
| 16.07. | Koay H. - Manandhar P. | 6-0, 6-1 | ||||
| No matches. | 
| No matches. | 
| Futures 2023 | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 29.11. | Fukuda S. - Koay H. | 1R | 6-0, 6-3 | 1.05 | 7.79 | |
| 22.11. | Tang S. - Koay H. | 1R | 3-6, 6-4, 6-4 | |||
| 13.11. | Oplustil P. - Koay H. | Q-2R | 7-63, 5-7, 10-7 | |||
| Futures 2023 | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 28.11. | Zhao / Zheng - Koay / Leong | R16 | 6-3, 2-6, 10-6 | 1.56 | 2.23 | |
| 23.11. | Alcan / Rungk - Koay / Leong | QF | 7-62, 6-4 | |||
| 23.11. | Koay / Leong - Abdul / Yong | R16 | 6-5 | 1.25 | 3.50 | |
| No matches. | 
| Davis Cup | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 13.08. | Koay H. - Al Janahi A. | 6-2, 6-2 | ||||
| 12.08. | Koay H. - Alkotop M. | 6-3, 6-1 | ||||
| 11.08. | Nguyen P. - Koay H. | 6-1, 1-6, 6-3 | ||||
| 10.08. | Koay H. - Salim M. | 6-1, 6-3 | ||||
| Futures 2022 | Round | Result | H | A | ||
| 26.07. | Saitoh K. - Koay H. | 1R | 6-3, 6-1 | 1.08 | 6.49 | |
| Futures 2022 | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 29.07. | Hazaw / Takeu - Koay / Syed | QF | 4-6, 7-5, 10-5 | 1.17 | 4.50 | |
| 27.07. | Koay / Syed - Cui J / Huang | R16 | 6-3, 2-6, 15-13 | 6.80 | 1.07 | |
| 19.07. | Masab / Sumiz - Koay / Syed | R16 | 6-4, 6-1 | 1.07 | 6.54 | |
| No matches. | 
| Davis Cup | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 18.09. | Trinh L. - Koay H. | 6-3, 7-5 | ||||
| 17.09. | Koay H. - Mubarak A. | 5-7, 6-2, 6-4 | ||||
| 15.09. | Wong C. - Koay H. | 6-3, 6-1 | ||||
| Futures 2021 | Round | Result | H | A | ||
| 05.09. | Ingildsen J. - Koay H. | Q-1R | 3-6, 7-6, 10-3 | |||
| 29.08. | Chavez Villalpando L. - Koay H. | Q-1R | 6-4, 4-6, 11-9 | |||
| Futures 2021 | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 07.09. | Manso / Ouaka - Koay / Syed | R16 | 7-68, 3-6, 10-6 | 1.05 | 7.86 | |
| No matches. | 
| Davis Cup | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 21.07. | Ali Mutawa J. - Koay H. | 7-67, 1-6, 6-4 | ||||
| Futures 2017 | Round | Result | H | A | ||
| 27.06. | Samaha G. - Koay H. | Q-1R | 6-3, 6-2 | |||
| 20.06. | Dzhavakian Y. - Koay H. | 1R | 6-4, 6-1 | 1.16 | 4.18 | |
| 17.06. | Koay H. - Sood C. | Q-R16 | 3-6, 7-64, 6-3 | |||
| 16.06. | Koay H. - Byreddy S. | Q-1R | 6-1, 2-6, 6-2 | |||
| No matches. | 
| No matches. | 
| Kuala Lumpur | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 21.09. | Ward J. - Koay H. | Q-R16 | 6-0, 6-0 | 1.02 | 11.73 | |
| Futures 2014 | Round | Result | H | A | ||
| 29.03. | Marquis C. - Koay H. | 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 | 13 | |||
| Masters Cup WTA | 12 | |||
| Lower level tournaments | ||||
| Helsinki challenger | 21 | |||
| Taipei challenger | 21 | |||
| Lima 3 challenger | 22 | |||
| Matsuyama challenger | 20 | |||
| Knoxville challenger | 21 | |||
| UTR Pro Tennis Series 3 | 291 | |||
| UTR Pro Tennis Series 5 | 68 | |||
| UTR Pro Tennis Series 9 | 73 | |||
| Austin 2 | 11 | |||
| Tucuman | 12 | |||
| Faro ITF | 20 | |||
| Hamamatsu ITF | 25 | |||
| 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 | 166 | |||
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