| Challenger - Quimper | 01/31 14:55 | 25 | Antoine Hoang v Jozef Kovalik | 6-3,6-4 | |
| Australian Open Qual | 01/11 07:35 | 45 | Jozef Kovalik v Mackenzie McDonald | 2-6,2-6 | |
| Australian Open Qual | 01/10 03:20 | 44 | Gastao Elias v Jozef Kovalik | 2-6,2-6 | |
| ATP Brisbane Qual | 12/31 03:25 | - | Ernesto Escobedo v Jozef Kovalik | 6-2,7-6 | |
| ATP Brisbane Qual | 12/30 04:30 | 26 | Denis Kudla v Jozef Kovalik | 6-7,4-6 | |
| Czech Extraliga, Men | 12/20 09:00 | 1 | [437] Konecny, Michal v Jozef Kovalik [165] | 4-6,4-6 | |
| Czech Extraliga, Men | 12/18 09:00 | 1 | [165] Jozef Kovalik v Marek Gengel [416] | 7-6,6-7,6-3 | |
| Czech Extraliga, Men | 12/16 09:00 | 1 | [165] Jozef Kovalik v Puetz, Tim [333] | 6-7,6-7 | |
| Challenger - Bratislava | 11/07 15:30 | 25 | [126] Lacko, Lukas v Jozef Kovalik [162] | 6-4,6-4 | |
| Challenger Guayaquil | 10/31 23:00 | 25 | [127] Gastao Elias v Jozef Kovalik [161] | 6-4,7-6 | |
| Challenger - Lima | 10/29 18:00 | 29 | [185] Jozef Kovalik v Gerald Melzer [138] | 5-7,6-7 | |
| Challenger - Lima | 10/28 18:40 | 28 | [185] Jozef Kovalik v Marco Cecchinato [108] | 6-2,6-1 | |
| Challenger - Lima | 10/27 18:00 | 27 | [166] Martin, Andrej v Jozef Kovalik [185] | Retired | |
| Challenger - Lima | 10/26 18:00 | 26 | Jozef Kovalik v Ojeda Lara, Ricardo | 6-3,6-0 | |
| Challenger - Lima | 10/24 15:30 | 25 | [260] Cervantes, Inigo v Jozef Kovalik [185] | 4-6,7-6,4-6 | |
| Cali, Colombia | 10/17 17:15 | 25 | [436] Gonzalez, Alejandro v Jozef Kovalik [167] | 3-6,6-2,6-3 | |
| Challenger - Buenos Aires | 10/09 18:50 | 25 | [167] Jozef Kovalik v Federico Coria [239] | 6-2,3-6,4-6 | |
| Rome II, Italy | 09/26 12:20 | 25 | [169] Jozef Kovalik v Filip Krajinovic [105] | 2-6,2-6 | |
| Coupe Davis | 09/17 15:00 | 28 | Jozef Kovalik v Hubert Hurkacz | 6-4,7-5 | |
| Genoa, Italy | 09/07 14:40 | 26 | [156] Jozef Kovalik v Basso, Andrea [458] | 6-3,3-6,4-6 | |
| Genoa, Italy | 09/06 12:05 | 25 | [147] Kenny de Schepper v Jozef Kovalik [156] | 2-6,2-6 | |
| US Open, New York, USA, Qualifying | 08/22 19:05 | 44 | [102] Mikhail Kukushkin v Jozef Kovalik [157] | 6-1,6-3 | |
| Portoroz, Slovénie | 08/08 12:20 | 25 | [313] Pedro Martinez v Jozef Kovalik [151] | 1-6,6-3,7-5 | |
| Kitzbühel, Autriche, Qualifications | 07/30 09:30 | 46 | [99] Giraldo, Santiago v Jozef Kovalik [150] | 7-5,6-4 | |
| Kitzbühel, Autriche, Qualifications | 07/29 09:00 | 45 | [167] Gastao Elias v Jozef Kovalik [150] | 1-6,7-5,4-6 | |
| Challenger - Prague | 07/25 10:35 | 25 | [226] Zdenek Kolar v Jozef Kovalik [150] | 2-6,6-3,6-4 | |
| Challenger Scheveningen | 07/19 13:35 | 26 | [167] Stefanos Tsitsipas v Jozef Kovalik [154] | 7-5,6-1 | |
| Challenger Scheveningen | 07/18 09:00 | 25 | [220] Brands, Daniel v Jozef Kovalik [154] | 3-6,6-7 | |
| Braunchsweig, Germany | 07/13 12:20 | 27 | Nicola Kuhn v Jozef Kovalik | 7-6,5-7,7-6 | |
| Braunchsweig, Germany | 07/12 09:00 | 26 | [159] Jozef Kovalik v Marco Cecchinato [102] | 6-2,6-4 |
Wikipedia - Jozef Kovalík
Jozef Kovalík, né le à Bratislava, est un joueur de tennis slovaque, professionnel depuis 2010.