| Challenger Braunschweig | 07/11 13:10 | 25 | [159] Jozef Kovalik v Thiago Monteiro [100] | 6-3,7-6 | |
| Wimbledon Qual | 06/28 15:35 | 45 | [197] Joris De Loore v Jozef Kovalik [159] | 3-6,7-5,6-3 | |
| Wimbledon Qual | 06/26 14:50 | 44 | Jozef Kovalik v Roberto C Baena | 7-6,6-4 | |
| Challenger Todi | 06/21 13:00 | 26 | [113] Arthur De Greef v Jozef Kovalik [162] | 6-2,6-3 | |
| Challenger Todi | 06/19 13:00 | 25 | [217] Christian Garin v Jozef Kovalik [162] | 6-7,2-6 | |
| Challenger Caltanissetta | 06/12 12:00 | 25 | [151] Jozef Kovalik v Facundo Bagnis [104] | 4-6,4-6 | |
| French Open | 05/30 10:40 | 23 | [3] Stan Wawrinka v Jozef Kovalik [152] | 6-2,7-6,6-3 | |
| French Open Qual | 05/26 11:30 | 46 | [92] Norbert Gombos v Jozef Kovalik [152] | 6-1,4-6,3-6 | |
| French Open Qual | 05/24 16:00 | 45 | [152] Jozef Kovalik v Luca Vanni [120] | 6-4,6-4 | |
| French Open Qual | 05/23 09:40 | 44 | [300] Igor Sijsling v Jozef Kovalik [152] | Retired | |
| Challenger Heilbronn | 05/16 12:00 | 25 | [153] Jozef Kovalik v Alexander Bublik [144] | 6-7,4-6 | |
| Challenger Rzym | 05/13 13:30 | 29 | [160] Jozef Kovalik v Marco Cecchinato [136] | 4-6,4-6 | |
| Challenger Rzym | 05/12 11:00 | 28 | [160] Jozef Kovalik v Kimmer Coppejans [176] | 4-6,6-2,6-3 | |
| Challenger Rzym | 05/11 10:30 | 27 | [201] Stefanos Tsitsipas v Jozef Kovalik [160] | 6-2,4-6,3-6 | |
| Challenger Rzym | 05/10 14:00 | 26 | [160] Jozef Kovalik v Lorenzo Giustino [187] | 6-2,6-4 | |
| Challenger Rzym | 05/08 11:00 | 25 | [156] Jan Satral v Jozef Kovalik [160] | 4-6,0-6 | |
| ATP Monachium | 05/02 09:00 | 25 | [162] Jozef Kovalik v Jeremy Chardy [71] | 2-6,4-6 | |
| ATP Munich Qual | 04/30 10:35 | - | [236] Jeremy Jahn v Jozef Kovalik [148] | 5-7,3-6 | |
| ATP Munich Qual | 04/29 12:00 | - | [240] Yannick Maden v Jozef Kovalik [148] | 3-6,4-6 | |
| ATP Monte Carlo Qual | 04/15 10:00 | 45 | [148] Jozef Kovalik v Renzo Olivo [92] | 6-1,3-6,2-6 | |
| Challenger Barletta | 04/11 15:35 | 25 | [148] Jozef Kovalik v Filip Krajinovic [218] | 1-6,1-6 | |
| Challenger Sophia Antipolis | 04/08 13:30 | 28 | [40] Benoit Paire v Jozef Kovalik [127] | 6-4,7-6 | |
| Challenger Sophia Antipolis | 04/07 14:00 | 27 | [91] Guillermo Garcia-Lopez v Jozef Kovalik [127] | 6-7,7-5,1-6 | |
| Challenger Sophia Antipolis | 04/05 11:40 | 26 | Duckhee Lee v Jozef Kovalik | 7-5,4-6,4-6 | |
| Challenger Sophia Antipolis | 04/04 08:30 | 25 | [127] Jozef Kovalik v Marius Copil [106] | 4-6,6-2,6-2 | |
| ATP Miami Qual | 03/20 21:10 | 44 | [139] Ruben Bemelmans v Jozef Kovalik [129] | 1-6,7-5,6-3 | |
| Challenger Irving Qual | 03/13 22:10 | 46 | [118] Jozef Kovalik v Ramkumar Ramanathan [277] | 6-7,3-6 | |
| Challenger Irving Qual | 03/13 17:30 | 45 | Jozef Kovalik v Alastair Gray | 6-0,6-3 | |
| ATP Indian Wells Qual | 03/08 01:25 | 44 | Marco Trungelitti v Jozef Kovalik | 6-4,7-6 | |
| ATP Sao Paulo | 02/28 15:30 | 25 | Federico Delbonis v Jozef Kovalik | 6-4,7-6 |
Wikipedia - Jozef Kovalík
Jozef Kovalík (ur. 4 listopada 1992 w Bratysławie) – słowacki tenisista, reprezentant kraju w Pucharze Davisa.