[183] Zhizhen Zhang 3-6,6-7 Ramkumar Ramanathan [215] 2021-05-10 08:30
Stadium: Court 17 Round: 19 Ground: Clay
Head to Head
| Challenger Nanchang | 2019/04/26 03:00 | Ramkumar Ramanathan v Zhizhen Zhang | 6-3,6-0 |
| Challenger Anning | 2019/04/18 03:00 | Ramkumar Ramanathan v Zhizhen Zhang | 6-3,3-6,6-3 |
Home History
| Challenger Zagreb | 2021/05/09 08:30 | Zhizhen Zhang v Dimitar Kuzmanov | 4-6,6-2,6-3 |
| Challenger Biella | 2021/05/05 10:00 | Zhizhen Zhang v Alexandre Muller | 3-6,7-6,5-7 |
| Challenger Biella | 2021/05/04 12:35 | Zhizhen Zhang v Felipe Meligeni Rodrigues Alves | 4-6,6-4,6-4 |
| Challenger Istanbul | 2021/01/20 08:55 | Facundo Bagnis v Zhizhen Zhang | 6-4,6-1 |
| Australian Open | 2021/01/12 10:20 | Zhizhen Zhang v Mikael Torpegaard | 1-6,6-4,1-6 |
| Australian Open | 2021/01/10 10:25 | Evgeny Donskoy v Zhizhen Zhang | 5-7,3-6 |
| Challenger Bengaluru | 2020/02/12 05:30 | Zhizhen Zhang v Julian Ocleppo | 1-6,3-6 |
| ATP Pune | 2020/02/01 09:30 | Zhizhen Zhang v Matthew Ebden | 3-6,2-6 |
Away History
| Challenger Zagreb | 2021/05/09 08:30 | Frane Nincevic v Ramkumar Ramanathan | 4-6,3-6 |
| ATP Dubai | 2021/03/14 08:30 | Ramkumar Ramanathan v Yuki Bhambri | 5-7,7-5,2-6 |
| ATP Dubai | 2021/03/13 07:00 | Evgeny Donskoy v Ramkumar Ramanathan | 4-6,4-6 |
| ATP Doha | 2021/03/08 12:50 | Ramkumar Ramanathan v Alexander Bublik | 4-6,2-6 |
| ATP Doha | 2021/03/07 12:30 | Norbert Gombos v Ramkumar Ramanathan | 3-6,1-6 |
| ATP Doha | 2021/03/06 09:00 | Frederik Nielsen v Ramkumar Ramanathan | 4-6,1-6 |
| Challenger Nur-Sultan | 2021/03/03 13:05 | Ramkumar Ramanathan v Frederico Ferreira Silva | 4-6,5-7 |
| Challenger Nur-Sultan | 2021/03/01 08:55 | Ramkumar Ramanathan v Hugo Grenier | 6-4,3-6,6-3 |