Stadium: Center Round: 45 Ground: Hardcourt outdoor
| ITF M25 Bakersfield | 2019/03/12 20:40 | Karue Sell v Jenson Brooksby | 3-6,1-6 |
| ITF M15 Tucson | 2019/02/17 20:00 | Martin Redlicki v Karue Sell | 6-4,6-4 |
| ITF M15 Tucson | 2019/02/16 18:00 | Isaiah Strode v Karue Sell | 4-6,4-6 |
| ITF M15 Tucson | 2019/02/15 19:15 | Gonzalo Lama v Karue Sell | 3-6,3-6 |
| ITF M15 Tucson | 2019/02/14 16:30 | Dusty H. Boyer v Karue Sell | 4-6,3-6 |
| ITF M15 Tucson | 2019/02/13 17:45 | Simon Freund v Karue Sell | 4-6,6-3,2-6 |
| ITF M15 Palmanova | 2019/01/29 12:45 | Dragos Nicolae Madaras v Karue Sell | 7-6,6-4 |
| ATP Winston-Salem | 2018/08/18 16:00 | Guido Andreozzi v Karue Sell | 3-6,6-3,6-2 |
| ITF M15 Arcadia | 2019/03/14 18:30 | Karl Friberg v Emilio Nava | 4-6,2-6 |
| ITF M15 Arcadia | 2019/03/13 19:25 | Karl Friberg v Michael Shabaz | 4-6,6-4,7-5 |
| ITF M15 Sharm El Sheikh | 2019/02/21 08:00 | Fajing Sun v Karl Friberg | 6-2,6-4 |
| ITF M15 Sharm El Sheikh | 2019/02/20 09:30 | Maciej Smola v Karl Friberg | 3-6,4-6 |
| ITF Qatar F5 | 2018/12/09 12:00 | Karl Friberg v Anatoliy Petrenko | 6-4,4-6,0-6 |
| ITF Qatar F4 | 2018/12/04 13:50 | Thomas Statzberger v Karl Friberg | 6-1,6-4 |
| ITF Finland F4 | 2018/11/16 14:35 | Evgeny Tyurnev v Karl Friberg | 7-6,6-1 |
| ITF Finland F4 | 2018/11/15 13:00 | Karl Friberg v Louis Wessels | 6-7,7-5,7-6 |