Stadium: Pallazzetto Alzano Round: 24 Ground: Hardcourt indoor
| Challenger Ismaning | 2018/10/16 10:30 | Daniel Masur v Bernabe Zapata Miralles | 7-6,6-3 |
| ATP Auckland | 2019/01/04 23:10 | Maximilian Marterer v Daniel Masur | 7-6,6-1 |
| Challenger Noumea | 2019/01/01 02:45 | Yuichi Sugita v Daniel Masur | 6-4,1-6,6-2 |
| Challenger Noumea | 2018/12/31 04:05 | Daniel Masur v Frederik Nielsen | 6-1,5-7,6-4 |
| Challenger Pune | 2018/11/21 07:30 | Daniel Masur v Elias Ymer | 3-6,6-7 |
| Challenger Pune | 2018/11/19 08:55 | Daniel Masur v Jelle Sels | 6-4,6-4 |
| Challenger Bangalore | 2018/11/14 13:00 | Daniel Masur v Frederico Ferreira Silva | 7-5,4-6,2-6 |
| Challenger Bangalore | 2018/11/13 14:20 | Elias Ymer v Daniel Masur | 4-6,5-7 |
| Challenger Bratislava | 2018/11/06 18:40 | Egor Gerasimov v Daniel Masur | 6-2,6-2 |
| Challenger Columbus | 2019/01/10 18:00 | Bernabe Zapata Miralles v Marcos Giron | 6-4,7-6 |
| Challenger Columbus | 2019/01/09 17:55 | Bernabe Zapata Miralles v Goncalo Oliveira | 1-6,7-6,7-5 |
| Challenger Orlando | 2019/01/02 17:10 | Gijs Brouwer v Bernabe Zapata Miralles | 1-6,6-1,6-2 |
| Challenger Mouilleron le Captif | 2018/11/03 11:00 | Bernabe Zapata Miralles v Corentin Denolly | 4-6,7-6,3-6 |
| Challenger Ismaning | 2018/10/16 10:30 | Daniel Masur v Bernabe Zapata Miralles | 7-6,6-3 |
| Challenger Barcelona | 2018/10/09 14:40 | Tommy Robredo v Bernabe Zapata Miralles | 6-4,6-2 |
| Challenger Biella | 2018/09/18 08:00 | Tomas Barrios Vera v Bernabe Zapata Miralles | 6-2,5-7,7-5 |
| Challenger Banja Luka | 2018/09/12 12:40 | Bernabe Zapata Miralles v Pablo Andujar | 4-6,5-7 |