Stadium: Center Court Round: 24 Ground: Hardcourt outdoor
| ATP Indian Wells | 2019/03/06 00:30 | Gianluigi Quinzi v Alex Bolt | 4-6,5-7 |
| Challenger Bergamo | 2019/02/22 19:00 | Gianluigi Quinzi v Jannik Sinner | 2-6,3-6 |
| Challenger Bergamo | 2019/02/21 19:00 | Gianluigi Quinzi v Elliot Benchetrit | 7-6,6-2 |
| Challenger Bergamo | 2019/02/19 19:45 | Gianluigi Quinzi v Roman Safiullin | 6-3,4-6,7-6 |
| Challenger Cherbourg | 2019/02/14 11:25 | Oscar Otte v Gianluigi Quinzi | 7-6,6-1 |
| Challenger Cherbourg | 2019/02/13 11:20 | Gian Marco Moroni v Gianluigi Quinzi | 2-6,2-6 |
| ATP Cordoba | 2019/02/03 18:30 | Pedro Cachin v Gianluigi Quinzi | 6-3,7-5 |
| ATP Cordoba | 2019/02/02 20:30 | Andrea Collarini v Gianluigi Quinzi | 6-4,4-6,1-6 |
| ATP Indian Wells | 2019/03/09 02:15 | Roberto Carballes Baena v Ryan Harrison | 6-3,7-5 |
| ATP Acapulco | 2019/02/26 02:45 | Ryan Harrison v Stan Wawrinka | 4-6,6-7 |
| ATP Acapulco | 2019/02/25 02:15 | Ryan Harrison v Adrian Menendez-Maceiras | 6-2,6-4 |
| ATP Acapulco | 2019/02/23 23:20 | Ryan Harrison v Juan A H Serrano | 7-5,6-2 |
| ATP New York | 2019/02/13 17:55 | Paolo Lorenzi v Ryan Harrison | 4-6,6-4,6-4 |
| ATP New York | 2019/02/12 19:55 | Peter Polansky v Ryan Harrison | 3-6,4-6 |
| Australian Open | 2019/01/17 07:30 | Ryan Harrison v Daniil Medvedev | 3-6,3-6,3-6 |
| Australian Open | 2019/01/15 00:00 | Jiri Vesely v Ryan Harrison | 0-6,5-7,3-6 |