Stadion: Court 3 Round: 54 Ground: Hardcourt outdoor
| ITF - M15 - East Lansing | 2019/11/17 15:00 | Nils Ellefsen v Christian Lakoseljac | 6-7,4-6 |
| ITF - USA F33 | 2018/11/17 15:00 | Kooros Ghasemi v Nils Ellefsen | 7-6,3-6,6-4 |
| Challenger - Lexington - Qualifikation | 2017/07/30 15:45 | Christopher Rungkat v Nils Ellefsen | 6-0,6-4 |
| Challenger - Lexington - Qualifikation | 2017/07/29 14:00 | Nils Ellefsen v Robert Galloway | 6-4,6-4 |
| ITF - USA F27 - Qualifikation | 2016/08/07 13:30 | Hunter Callahan v Nils Ellefsen | 6-3,6-2 |
| ITF - USA F27 - Qualifikation | 2016/08/06 13:30 | Nils Ellefsen v Joseph W. Van Meter | 6-2,6-4 |
| ITF - M15 - Champaign | 2021/06/24 15:00 | Michail Pervolarakis v Siphosothando Montsi | 4-6,6-3,6-4 |
| ITF - M15 - Champaign | 2021/06/23 17:10 | Siphosothando Montsi v Victor Lilov | 6-4,6-1 |
| ITF - M15 - Champaign | 2019/09/10 18:00 | Nick Chappell v Siphosothando Montsi | 7-5,6-2 |
| ITF - M25 - Decatur | 2019/07/30 16:40 | Gui Gomes v Siphosothando Montsi | 7-6,1-6,10-8 |
| ITF - M25 - Decatur | 2019/07/29 18:00 | A.Trice Pickens v Siphosothando Montsi | 4-6,6-3,6-10 |
| ITF - M25 - Champaign | 2019/07/25 23:00 | Axel Geller v Siphosothando Montsi | 6-4,6-2 |
| 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 |