Stadium: Court 1 Round: 25 Ground: Clay
| ITF India F1 | 2016/04/26 05:00 | Prashanth, N. Vijay Sundar v Wattanakul, Pol | 6-2,6-3 |
| Nanchang, Singles M-ITF-CHN-16A | 2019/09/24 02:00 | Li, Yuanfeng v Prashanth, N. Vijay Sundar | 6-0,7-5 |
| Challenger - Augsburg | 2019/08/06 16:00 | Prashanth, N. Vijay Sundar v Lenz, Julian | 5-7,1-6 |
| Challenger - Augsburg | 2019/08/05 08:00 | Balaji, N. Sriram v Prashanth, N. Vijay Sundar | 6-2,6-3 |
| Fergana, Uzbekistan | 2019/06/17 08:30 | Prashanth, N. Vijay Sundar v Altug Celikbilek | 3-6,4-6 |
| Hong Kong, Simples M-ITF-HKG-04A | 2019/06/12 02:55 | Shintaro Imai v Prashanth, N. Vijay Sundar | 6-2,6-4 |
| Vercelli, Singles Qualifying M-ITF-ITA-08A | 2019/05/09 09:00 | Prashanth, N. Vijay Sundar v Moroni, Filippo | 6-3,1-6,3-6 |
| Vercelli, Singles Qualifying M-ITF-ITA-08A | 2019/05/07 11:15 | Prashanth, N. Vijay Sundar v Giorgio Ricca | 6-2,7-5 |
| ITF - M25 Santa Margherita | 2019/04/30 12:20 | Prashanth, N. Vijay Sundar v Prevosto, Luca | 2-6,2-6 |
| Nanchang, Singles M-ITF-CHN-16A | 2019/09/30 06:00 | Wattanakul, Pol v Zou, Weibowen | 6-4,6-1 |
| Nanchang, Singles M-ITF-CHN-16A | 2019/09/30 02:00 | Wattanakul, Pol v Shenglin Zhuo | 6-0,6-1 |
| Nanchang, Singles M-ITF-CHN-16A | 2019/09/23 02:00 | Wattanakul, Pol v Bang Shuo Yin | 2-6,3-6 |
| Nanchang, Singles M-ITF-CHN-16A | 2019/09/22 02:00 | Wattanakul, Pol v He, Xiaoyu | 6-1,6-2 |
| Nanchang, Singles M-ITF-CHN-16A | 2019/09/19 02:00 | Kaza, Vinayak Sharma v Wattanakul, Pol | 6-0,6-4 |
| Nanchang, Singles M-ITF-CHN-16A | 2019/09/18 02:00 | Wattanakul, Pol v Tsung-Hao Huang | 7-5,5-7,7-6 |
| Hua Hin, Singles M-ITF-THA-07A | 2019/09/03 04:00 | Sookton-Eng, Chanchai v Wattanakul, Pol | 7-6,3-6,10-2 |
| Hua Hin, Singles M-ITF-THA-07A | 2019/08/21 09:50 | Wattanakul, Pol v Kelly, Dayne | 5-7,3-6 |