Stadium: N1 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Champaign | 2019/07/24 19:35 | Trey Hilderbrand v Axel Geller | 3-6,7-5,3-6 |
| ITF M25 Iowa City | 2019/07/20 17:40 | John McNally v Axel Geller | 6-2,6-7,6-2 |
| ITF M25 Iowa City | 2019/07/19 16:15 | Axel Geller v Errol Smith | 2-6,6-3,6-0 |
| ITF M25 Iowa City | 2019/07/18 16:40 | Axel Geller v Mark Whitehouse | 6-3,7-5 |
| ITF M25 Iowa City | 2019/07/16 19:10 | Axel Geller v Juan Carlos Aguilar | 3-6,6-3,7-6 |
| ITF M15 Cancun | 2019/07/03 13:30 | Kevin Major v Axel Geller | 4-6,3-6 |
| ITF M15 Cancun | 2019/06/30 19:00 | Nick Chappell v Axel Geller | 3-6,6-7 |
| ITF M15 Cancun | 2019/06/29 14:00 | Axel Geller v Gerardo L Villasenor | 7-5,6-1 |
| ITF M25 Champaign | 2019/07/23 21:25 | Siphosothando Montsi v Mohamed Aziz Dougaz | 6-4,6-3 |
| ITF M15 Champaign | 2019/06/05 18:15 | Gui Gomes v Siphosothando Montsi | 3-6,6-2,7-6 |
| ITF M25 Tucson | 2019/01/09 21:15 | Siphosothando Montsi v Lloyd Glasspool | 4-6,6-3,3-6 |
| ITF M25 Tucson | 2019/01/08 19:05 | Mousheg Hovhannisyan v Siphosothando Montsi | 4-6,1-6 |
| ITF M25 Tucson | 2019/01/07 18:30 | Kento Tagashira v Siphosothando Montsi | 4-6,1-6 |
| ITF Zimbabwe F3 | 2018/06/11 07:00 | Niki Kaliyanda Poonacha v Siphosothando Montsi | 5-7,6-1,6-2 |
| ITF Zimbabwe F2 | 2018/06/05 07:00 | Matias Franco Descotte v Siphosothando Montsi | 6-3,6-3 |
| ITF Zimbabwe F1 | 2018/05/28 08:00 | Tukhula Jacobs v Siphosothando Montsi | 7-5,7-5 |