Stefan Kozlov 3-6,2-6 Ramkumar Ramanathan 2018-02-17 18:50
Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
Head to Head
| Challenger Savannah | 2017/05/04 14:00 | Ramkumar Ramanathan v Stefan Kozlov | 1-6,2-6 |
Home History
| Challenger Dallas | 2018/01/31 03:40 | Stefan Kozlov v Frances Tiafoe | 2-6,6-7 |
| Challenger Newport Beach | 2018/01/24 18:00 | Stefan Kozlov v Miomir Kecmanovic | 3-6,4-6 |
| Challenger Newport Beach | 2018/01/22 19:55 | Guilherme Clezar v Stefan Kozlov | 2-6,3-6 |
| Australian Open Qual | 2018/01/13 23:00 | Stefan Kozlov v Dustin Brown | 4-6,6-3,3-6 |
| Australian Open Qual | 2018/01/11 06:20 | Yannick Hanfmann v Stefan Kozlov | 6-4,6-7,4-6 |
| Australian Open Qual | 2018/01/09 23:00 | Stefan Kozlov v Blake Ellis | 7-6,4-6,7-6 |
| Challenger Noumea | 2018/01/01 08:30 | Stefan Kozlov v Corentin Moutet | 6-7,6-3,2-6 |
| Challenger Knoxville | 2017/11/08 16:20 | Stefan Kozlov v Tim Smyczek | 6-7,2-6 |
Away History
| ATP New York Qual | 2018/02/11 18:30 | Ramkumar Ramanathan v Ernesto Escobedo | 5-7,3-6 |
| Australian Open Qual | 2018/01/14 02:45 | Vasek Pospisil v Ramkumar Ramanathan | 6-4,4-6,6-4 |
| Australian Open Qual | 2018/01/13 07:50 | Gleb Sakharov v Ramkumar Ramanathan | 4-6,6-7 |
| Australian Open Qual | 2018/01/10 02:35 | Bradley Klahn v Ramkumar Ramanathan | 7-6,6-7,2-6 |
| ATP Pune | 2018/01/03 13:55 | Marin Cilic v Ramkumar Ramanathan | 6-4,6-3 |
| ATP Pune | 2018/01/01 15:15 | Ramkumar Ramanathan v Roberto Carballes Baena | 7-6,6-2 |
| Challenger Bangalore | 2017/11/22 09:55 | Ramkumar Ramanathan v Jay Clarke | 7-6,2-6,4-6 |
| Challenger Bangalore | 2017/11/21 13:40 | Ramkumar Ramanathan v Hugo Grenier | 4-6,6-4,6-3 |