Stadium: B & B Court Round: 26 Ground: Clay
| Challenger Zhangjiagang | 2019/03/18 03:10 | Zihao Xia v Tak Khunn Wang | 1-6,7-6,6-3 |
| Challenger Yokohama | 2019/02/26 04:25 | Tak Khunn Wang v Mats Moraing | 6-7,2-6 |
| Challenger Yokohama | 2019/02/25 05:15 | Shinji Hazawa v Tak Khunn Wang | 6-7,4-6 |
| Challenger Morelos | 2019/02/18 18:55 | Michael Redlicki v Tak Khunn Wang | 4-6,6-2,7-5 |
| Challenger Cherbourg | 2019/02/11 15:55 | Tak Khunn Wang v Baptiste Crepatte | 6-7,4-6 |
| Challenger Budapest | 2019/02/04 10:55 | Baptiste Crepatte v Tak Khunn Wang | 6-3,7-5 |
| Challenger Koblenz | 2019/01/15 16:50 | Adam Pavlasek v Tak Khunn Wang | 3-6,6-3,6-4 |
| Challenger Koblenz | 2019/01/14 18:10 | Tak Khunn Wang v Daniel Masur | 6-4,6-2 |
| Challenger Santiago | 2019/03/09 17:00 | Thomaz Bellucci v Hugo Dellien | 4-6,0-6 |
| Challenger Santiago | 2019/03/08 19:35 | Alessandro Giannessi v Thomaz Bellucci | 6-3,4-6,4-6 |
| Challenger Santiago | 2019/03/07 22:00 | Thomaz Bellucci v Rogerio Dutra Silva | 6-2,6-2 |
| Challenger Santiago | 2019/03/05 18:35 | Thomaz Bellucci v Renzo Olivo | 7-5,6-4 |
| ATP Rio De Janeiro | 2019/02/16 19:55 | Thomaz Bellucci v Casper Ruud | 6-7,6-7 |
| Challenger Dallas | 2019/02/07 20:10 | Reilly Opelka v Thomaz Bellucci | 6-4,6-4 |
| Challenger Dallas | 2019/02/06 02:00 | Thai-Son Kwiatkowski v Thomaz Bellucci | 4-6,7-5,5-7 |
| Challenger Cleveland | 2019/01/30 23:00 | Thomaz Bellucci v Jared Hiltzik | 6-4,4-6,1-6 |