Stadium: Cancha 1 Round: 26 Ground: Hardcourt outdoor
| Monterrey, Mexico | 2019/04/04 00:45 | Lorenzi, Paolo v Young, Donald | 4-6,3-6 |
| Monterrey, Mexico | 2019/04/02 00:50 | Young, Donald v Ortega-Olmedo, Roberto | 6-4,6-4 |
| ATP - Indian Wells | 2019/03/08 19:00 | Young, Donald v Hubert Hurkacz | 3-6,3-6 |
| Challenger - Indian Wells | 2019/02/28 18:00 | Young, Donald v Lloyd Harris | 4-6,2-6 |
| Challenger - Indian Wells | 2019/02/26 21:45 | Henri Laaksonen v Young, Donald | 5-7,6-3,4-6 |
| Challenger - Indian Wells | 2019/02/25 19:30 | Thai-Son Kwiatkowski v Young, Donald | 6-4,1-6,6-7 |
| ATP - Delray Beach | 2019/02/17 17:45 | Young, Donald v Daniel Evans | 2-6,6-7 |
| ATP - Delray Beach | 2019/02/16 18:35 | Fratangelo, Bjorn v Young, Donald | 2-6,6-7 |
| Monterrey, Mexico | 2019/04/03 19:20 | Giraldo, Santiago v Quiroz, Roberto | 3-6,7-5,7-6 |
| Monterrey, Mexico | 2019/04/01 22:50 | Roberto Cid Subervi v Giraldo, Santiago | 6-7,3-6 |
| Challenger - Indian Wells | 2019/02/28 19:50 | Daniel Evans v Giraldo, Santiago | 6-1,6-2 |
| Challenger - Indian Wells | 2019/02/27 20:20 | Giraldo, Santiago v Donaldson, Jared | 6-2,2-6,6-4 |
| Challenger - Indian Wells | 2019/02/25 23:30 | Giraldo, Santiago v Novikov, Dennis | 7-5,5-7,6-2 |
| Challenger - Morelos | 2019/02/21 19:10 | Giraldo, Santiago v Steven Diez | 6-3,1-6,1-6 |
| Challenger - Morelos | 2019/02/20 02:00 | Giraldo, Santiago v Redlicki, Michael | 6-4,7-5 |
| Coupe Davis | 2019/02/01 21:00 | Giraldo, Santiago v Elias Ymer | 6-2,6-4 |