Malaysia
24.08.79, 45 years
28246 $
24.08.79, 45 years
28246 $
Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Zimbabwe
17.10.74, 50 years
10083 $
17.10.74, 50 years
10083 $
Yew-Ming Si vs. Gwinyai Tongoona - head to head matches
| 20.09.04 | 1st round | Yew-Ming Si | Gwinyai Tongoona | 7-63, 6-1 | match details |  Kenya F1 | Hard |
Yew-Ming Si form & Gwinyai Tongoona form
Yew-Ming Si - last matches
 Kuala Lumpur - I. hard | ||||
| 21.09.13 q 1 | vs. Jean-Julien Rojer | 0-6, 4-6 |  | match details |
| Kuala Lumpur - I. hard | ||||
| 22.09.12 q 1 | vs. Colin Wei Ming Wong | 6-3, 6-1 |  | match details |
| 22.09.12 q 2 | vs. Sanam Singh | 0-6, 1-6 | | match details |
| Kuala Lumpur - I. hard | ||||
| 24.09.11 q 1 | vs. Stanislav Poplavskyy | 4-6, 2-6 | | match details |
| Kuala Lumpur - I. hard | ||||
| 27.09.10 1st round | vs. Yuki Bhambri | 2-6, 0-6 | | match details |
| Davis Cup - I. hard | ||||
| 09.07.10 Rubber 1 | vs. Juan-Sebastian Langton | 4-6, 6-2, 3-6, 7-5, 7-5 | | match details |
| Malaysia F2 - Hard | ||||
| 28.06.10 1st round | vs. Ranjeet Virali-Murugesan | 1-6, 1-6 | | match details |
| Malaysia F1 - Hard | ||||
| 21.06.10 1st round | vs. Ranjeet Virali-Murugesan | 0-6, 4-6 | | match details |
| Davis Cup - I. hard | ||||
| 05.03.10 | vs. Sunu-Wahyu Trijati | 6-4, 6-75, 2-6, 2-6 | | match details |
| Malaysia F6 - Hard | ||||
| 30.11.09 1st round | vs. Rohan Gajjar | 2-6, 4-6 | | match details |
| Malaysia F5 - Hard | ||||
| 23.11.09 1st round | vs. Jaan-Frederik Brunken | 3-6, 2-6 | | match details |
| Malaysia F4 - Hard | ||||
| 16.11.09 1st round | vs. Karan Rastogi | 3-6, 6-4, 3-6 | | match details |
| Kuala Lumpur - I. hard | ||||
| 26.09.09 q 1 | vs. Mariusz Fyrstenberg | 4-6, 7-5, 6-71 | | match details |
 India F9 - Hard | ||||
| 31.08.09 2nd round | vs. Jeevan Nedunchezhiyan | 6-3, 4-6, 6-75 | | match details |
| 31.08.09 1st round | vs. Shane La Porte | 7-5, 6-1 | | match details |
| India F8 - Hard | ||||
| 24.08.09 1st round | vs. Johnny Arcilla | 6-4, 5-7, 1-6 | | match details |
| India F7 - Hard | ||||
| 17.08.09 1st round | vs. Ronak Manuja | 3-6, 4-6 | | match details |
| Malaysia F3 - Hard | ||||
| 29.06.09 1st round | vs. Jae-Sung An | 4-6, 1-6 | | match details |
| Malaysia F2 - Hard | ||||
| 22.06.09 1st round | vs. Ti Chen | 0-6, 1-6 | | match details |
| Malaysia F1 - Hard | ||||
| 15.06.09 2nd round | vs. David Rice | 2-6, 2-6 | | match details |
| 15.06.09 1st round | vs. Ti Chen | 6-4, 6-4 | | match details |
 Davis Cup - I. hard | ||||
| 06.03.09 | vs. Daniel King-Turner | 4-6, 1-6, 4-6 | | match details |
| Malaysia F2 - Clay | ||||
| 10.11.08 1st round | vs. Sergey Betov | 3-6, 2-6 | | match details |
| Malaysia F1 - Hard | ||||
| 03.11.08 1st round | vs. Harshana Godamanna | 4-6, 0-6 | | match details |
 Indonesia F1 - Hard | ||||
| 28.07.08 1st round | vs. Young-Jun Kim | 0-6, 3-6 | | match details |
| Kuala Lumpur - Carpet | ||||
| 21.11.07 1st round | vs. Kristian Pless | 6-73, 3-6 | | match details |
 Davis Cup - Hard | ||||
| 03.04.06 Rubber 1 | vs. West Nott | 2-6, 1-6, 1-2, West Nott - retired | | match details |
| 03.04.06 | vs. Michael Leong | 3-6, 2-6, 2-6 | | match details |
| Indonesia F1 - Hard | ||||
| 01.08.05 1st round | vs. Gurmehar Singh | 6-74, 0-6 | | match details |
| India #1 - Hard | ||||
| 13.06.05 2nd round | vs. Rohan Bopanna | 2-6, 3-6 | | match details |
Gwinyai Tongoona - last matches
 South Africa - Hard | ||||
| 26.10.09 1st round | vs. Jean Andersen | 5-7, 0-6 | | match details |
 Davis Cup - Clay | ||||
| 23.07.06 | vs. Alexander Jakupovic | 2-6, 2-6 | | match details |
 Davis Cup - Hard | ||||
| 03.04.06 | vs. Stian Boretti | 0-6, 3-6, 3-6 | | match details |
| Zimbabwe F1 - Hard | ||||
| 17.10.05 1st round | vs. James Cerretani | 2-6, 0-6 | | match details |
 Botswana F1 - Hard | ||||
| 10.10.05 1/4 | vs. Stephen Mitchell | 4-6, 3-6 | | match details |
| 10.10.05 2nd round | vs. Kagiso Kelebeile | 6-0, 6-1 | | match details |
| 10.10.05 1st round | vs. Troy Gillham | 4-6, 6-3, 6-1 | | match details |
 Rwanda F1 - Clay | ||||
| 12.09.05 1st round | vs. Michael Levens | 6-2, 6-2 | | match details |
| 12.09.05 2nd round | vs. Eric Uwamahoro | 6-3, 6-1 | | match details |
| 12.09.05 1/4 | vs. Idan Rosenberg | 2-6, 2-6 | | match details |
| Kenya F1 - Hard | ||||
| 05.09.05 1/4 | vs. Andrew Anderson | 2-6, 0-6 | | match details |
| 05.09.05 1st round | vs. Cheong-Eui Kim | 6-4, 7-5 | | match details |
| 05.09.05 2nd round | vs. Mohammed Mohazebnia | 4-1, Mohammed Mohazebnia - retired | | match details |
| Davis Cup - Clay | ||||
| 28.02.05 | vs. Janko Tipsarevic | 3-6, 2-6, 1-6 | | match details |
| Rwanda F1 - Clay | ||||
| 27.09.04 1st round | vs. Yoann Villar | 6-1, 7-5 | | match details |
| 27.09.04 2nd round | vs. Andrew Anderson | 3-6, 0-6 | | match details |
| Kenya F1 - Hard | ||||
| 20.09.04 1st round | vs. Yew-Ming Si | 6-73, 1-6 | | match details |
 Davis Cup - Carpet | ||||
| 04.04.03 2nd round | vs. Vladimir Voltchkov | 1-6, 2-1, Vladimir Voltchkov - retired | | match details |