Stadium: Brenda Meyers Court Round: 27 Ground: Hardcourt indoor
| Challenger Champaign | 2017/11/15 16:00 | Bjorn Fratangelo v Bradley Klahn | 6-4,6-4 |
| French Open Qual | 2017/05/24 15:20 | Bradley Klahn v Bjorn Fratangelo | 4-6,6-7 |
| Challenger Launceston | 2015/02/13 00:00 | Bjorn Fratangelo v Bradley Klahn | 7-6,6-3 |
| ATP Cincinnati | 2018/08/15 18:15 | Bradley Klahn v Pablo Carreno Busta | 4-6,4-6 |
| ATP Cincinnati | 2018/08/13 18:55 | Maximilian Marterer v Bradley Klahn | 6-7,4-6 |
| ATP Cincinnati Qual | 2018/08/12 14:00 | Bradley Klahn v Guillermo Garcia-Lopez | 7-6,7-6 |
| ATP Cincinnati Qual | 2018/08/11 14:30 | Tennys Sandgren v Bradley Klahn | 4-6,6-7 |
| ATP Toronto | 2018/08/08 23:35 | Bradley Klahn v Alexander Zverev | 4-6,4-6 |
| ATP Toronto | 2018/08/06 17:40 | Bradley Klahn v David Ferrer | 7-6,6-4 |
| ATP Toronto Qual | 2018/08/05 16:00 | Bradley Klahn v Mirza Basic | 6-1,7-6 |
| Challenger Binghamton | 2018/07/26 13:55 | Mikael Torpegaard v Bradley Klahn | 7-6,7-6 |
| US Open | 2018/08/23 19:15 | Victor Estrella Burgos v Bjorn Fratangelo | 7-6,6-3 |
| US Open | 2018/08/21 20:30 | Roberto Cid Subervi v Bjorn Fratangelo | 3-6,6-7 |
| ATP Cincinnati Qual | 2018/08/11 16:20 | Malek Jaziri v Bjorn Fratangelo | 6-7,6-3,7-6 |
| Challenger Binghamton | 2018/07/26 17:50 | Bjorn Fratangelo v Laurynas Grigelis | 6-4,2-6,3-6 |
| ATP Newport | 2018/07/16 18:05 | Bjorn Fratangelo v Tim Smyczek | 3-6,6-2,4-6 |
| Challenger Winnetka | 2018/07/09 21:50 | JC Aragone v Bjorn Fratangelo | 7-6,6-2 |
| Wimbledon Qual | 2018/06/26 15:25 | Bjorn Fratangelo v James Ward | 4-6,4-6 |
| Wimbledon Qual | 2018/06/25 15:15 | Bjorn Fratangelo v Hiroki Moriya | 7-6,6-1 |