Stadium: FUSP Center Court Round: 26 Ground: Clay
| Challenger Sanremo | 2023/03/28 11:20 | Jozef Kovalik v Billy Harris | 6-2,6-1 |
| Challenger Lille | 2024/02/26 19:15 | Billy Harris v Arthur Gea | 6-4,7-6 |
| Challenger Manama | 2024/02/15 11:55 | Billy Harris v Richard Gasquet | 7-5,1-6,2-6 |
| Challenger Manama | 2024/02/14 12:05 | Billy Harris v Gastao Elias | 6-2,6-2 |
| Challenger Nottingham | 2024/02/08 13:15 | Matteo Martineau v Billy Harris | 7-6,6-4 |
| Challenger Nottingham | 2024/02/06 14:05 | Alastair Gray v Billy Harris | 4-6,3-6 |
| Challenger Koblenz | 2024/01/30 09:30 | Billy Harris v Hazem Naw | 5-7,5-7 |
| Challenger Quimper | 2024/01/25 13:30 | Mathias Bourgue v Billy Harris | 4-6,7-6,6-3 |
| Challenger Quimper | 2024/01/24 14:40 | Billy Harris v Constant Lestienne | 7-6,7-6 |
| Challenger Tenerife | 2024/02/27 12:10 | Jozef Kovalik v Iliyan Radulov | 7-5,6-2 |
| Challenger Tenerife | 2024/02/21 10:00 | Dimitar Kuzmanov v Jozef Kovalik | 6-4,6-7,5-7 |
| Challenger Tenerife | 2024/02/19 14:00 | Jozef Kovalik v Richard Zusman | 7-6,6-4 |
| Challenger Manama | 2024/02/13 13:00 | Abedallah Shelbayh v Jozef Kovalik | 7-6,6-3 |
| Challenger Buenos Aires | 2024/01/15 19:45 | Jozef Kovalik v Juan Bautista Torres | 6-2,3-6,6-2 |
| Australian Open | 2024/01/09 03:35 | Jozef Kovalik v Mattia Bellucci | 1-6,6-4,6-7 |
| Czech Republic Extraliga | 2023/12/16 11:55 | Jozef Kovalik v Vojtech Vlkovsky | 6-2,6-1 |
| Czech Republic Extraliga | 2023/12/15 11:00 | Dalibor Svrcina v Jozef Kovalik | 6-7,6-3,6-1 |