Round: 1
| Challenger Nur-Sultan | 2020/03/11 07:45 | Nino Serdarusic v Tallon Griekspoor | 3-6,6-7 |
| Challenger Nur-Sultan | 2020/03/10 05:00 | Nino Serdarusic v Aliaksandr Bulitski | 6-2,6-2 |
| Challenger Bergamo | 2020/02/18 19:55 | Lorenzo Giustino v Nino Serdarusic | 6-7,6-3,7-6 |
| Challenger Bergamo | 2020/02/17 10:20 | Ivan Gakhov v Nino Serdarusic | 3-6,5-7 |
| Challenger Cherbourg | 2020/02/11 10:45 | Nino Serdarusic v Zdenek Kolar | 5-7,7-6,4-6 |
| Challenger Cherbourg | 2020/02/10 10:00 | Viktor Durasovic v Nino Serdarusic | 3-6,6-7 |
| Challenger Quimper | 2020/01/28 18:10 | Nino Serdarusic v Bernabe Zapata Miralles | 6-7,3-6 |
| Challenger Quimper | 2020/01/27 16:10 | Nino Serdarusic v Markus Eriksson | 6-1,6-7,6-4 |
| Davis Cup | 2019/11/20 16:50 | Nikola Mektic v Roberto Bautista-Agut | 1-6,3-6 |
| ATP Cincinnati Qual | 2017/08/12 14:00 | Nikola Mektic v Thomas Fabbiano | 5-7,4-6 |
| Challenger Irving Qual | 2017/03/13 18:30 | Norbert Gombos v Nikola Mektic | 5-7,6-2,6-1 |
| ATP Memphis Qual | 2017/02/11 19:10 | Benjamin Becker v Nikola Mektic | 6-3,6-3 |
| Davis Cup | 2017/02/05 17:35 | Nikola Mektic v Pablo Carreno Busta | 6-7,1-6,4-6 |
| Challenger Bangkok 2 | 2017/01/10 09:15 | Nikola Mektic v Frederico Ferreira Silva | 4-6,6-3,2-6 |
| ATP Chennai | 2017/01/02 11:30 | Steve Darcis v Nikola Mektic | 6-2,6-3 |
| ATP Chennai | 2017/01/01 11:30 | Marco Trungelliti v Nikola Mektic | 5-7,2-6 |