Stadium: Court 1 Round: 26 Ground: Hardcourt indoor
| ITF Great Britain F3 | 2017/02/15 10:30 | Tobias Simon v Scott Duncan | 6-2,7-6 |
| ITF M15 Cancun | 2019/05/20 17:30 | Nicholas Shamma v Scott Duncan | 6-3,6-0 |
| ITF M15 Cancun | 2019/05/20 13:30 | Macsen Sisam v Scott Duncan | 3-6,0-6 |
| ITF M15 Cancun | 2019/05/13 14:30 | Scott Duncan v Tyler Mercier | 7-6,1-6,4-10 |
| ITF M25 Namangan | 2019/05/01 06:00 | Scott Duncan v Kristian Lozan | 3-6,3-6 |
| ITF M25 Namangan | 2019/04/30 07:30 | Naoki Takeda v Scott Duncan | 4-6,3-6 |
| ITF M25 Namangan | 2019/04/29 06:40 | Danis Baybekov v Scott Duncan | 0-6,0-6 |
| ITF M25 Andijan | 2019/04/23 05:00 | Yan Bondarevskiy v Scott Duncan | 6-2,3-6,10-6 |
| ITF M25 Andijan | 2019/04/22 05:00 | Grigoriy Korobeynikov v Scott Duncan | 6-4,6-7,10-12 |
| Challenger Samarkand | 2019/05/13 11:20 | Alexander Zhurbin v Tobias Simon | 7-6,6-7,7-5 |
| Challenger Shymkent | 2019/05/09 10:45 | Tobias Simon v Jay Clarke | 2-6,7-5,6-7 |
| Challenger Shymkent | 2019/05/07 08:10 | Viktor Durasovic v Tobias Simon | 6-7,5-7 |
| Challenger Shymkent | 2019/05/06 05:40 | Tobias Simon v Gijs Brouwer | 3-6,6-4,7-5 |
| Challenger Bordeaux | 2019/04/29 08:00 | Tobias Simon v Hugo Nys | 2-6,4-6 |
| ITF M25 Angers | 2019/04/26 13:20 | Tobias Simon v Nikolas Sanchez Izquierdo | 6-2,5-7,2-6 |
| ITF M25 Angers | 2019/04/25 16:10 | Tobias Simon v Christoph Negritu | 6-4,6-7,6-0 |
| ITF M25 Angers | 2019/04/23 16:30 | Tobias Simon v Benjamin Dhoe | 6-3,4-6,6-4 |