Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| Challenger Zug | 2024/07/21 09:50 | Johan Nikles v Jakub Paul | 4-6,3-6 |
| Challenger Salzburg | 2024/07/09 11:00 | Johan Nikles v Jerome Kym | 4-6,7-5,1-6 |
| Challenger Salzburg | 2024/07/08 14:55 | Peter Benjamin Privara v Johan Nikles | 2-6,5-7 |
| Challenger Salzburg | 2024/07/08 09:50 | Johan Nikles v Yurii Dzhavakian | 6-4,7-5 |
| ITF M25 Klosters | 2024/06/28 07:30 | Patrick Zahraj v Johan Nikles | 7-5,6-3 |
| ITF M25 Klosters | 2024/06/27 07:30 | Maximilian Homberg v Johan Nikles | 1-6,5-7 |
| ITF M25 Klosters | 2024/06/26 09:55 | Johan Nikles v Sandro Kopp | 7-6,6-2 |
| ITF M25 Montauban | 2024/06/22 11:30 | Maxime Chazal v Johan Nikles | 6-4,6-2 |
| Challenger Pozoblanco | 2024/07/18 20:00 | Antoine Escoffier v Iliyan Radulov | 5-7,6-4,6-1 |
| Challenger Pozoblanco | 2024/07/16 18:35 | Peter Buldorini v Iliyan Radulov | 3-6,3-6 |
| ITF M25 Getxo | 2024/07/04 12:10 | Iliyan Radulov v Ignacio Buse | 1-6,3-6 |
| ITF M25 Getxo | 2024/07/03 11:00 | Iliyan Radulov v Carlos Divar | 6-2,3-6,6-1 |
| ITF M25 Getxo | 2024/07/01 12:05 | Iliyan Radulov v Ivan Perez Martin | 6-0,6-0 |
| ITF M25 Getxo | 2024/06/30 10:30 | Iliyan Radulov v Pierre Mouesca | 6-2,6-3 |
| ITF M25 Mungia-Laukariz | 2024/06/20 17:10 | Iliyan Radulov v Ryan Nijboer | 4-6,2-6 |
| ITF M25 Mungia-Laukariz | 2024/06/19 11:05 | Iliyan Radulov v Carlos Divar | 6-1,7-6 |