| Challenger Stanford | 08/15 01:25 | 25 |
[492] Tristan Boyer
v
Bradley Klahn [496] |
6-3,7-6 | |
| ATP Washington | 07/31 17:45 | 24 |
[500] Bradley Klahn v
Michael Mmoh
[112] 
|
3-6,3-6 | |
| ATP Washington | 07/30 14:00 | 19 |
[160] Sho Shimabukuro
v
Bradley Klahn [500] |
5-7,4-6 | |
| ATP Washington | 07/29 14:00 | 14 |
[500] Bradley Klahn v
James Trotter
[437] 
|
6-4,7-6 | |
| ATP Atlanta | 07/22 14:00 | 14 |
[141] Gabriel Diallo
v
Bradley Klahn [500] |
6-3,6-2 | |
| ATP Miami | 03/20 15:00 | 14 |
[494] Bradley Klahn v
Tomas Machac
[143] 
|
4-6,4-6 | |
| ATP Indian Wells | 03/06 21:30 | 44 |
[101] Alexei Popyrin
v
Bradley Klahn [485] |
6-4,7-6 | |
| ATP Acapulco | 02/25 23:00 | 14 |
[172] Elias Ymer
v
Bradley Klahn [468] |
6-4,6-4 | |
| Challenger Monterrey | 02/21 18:00 | 25 |
[103] Nuno Borges
v
Bradley Klahn [468] |
6-2,6-2 | |
| Challenger Cleveland | 01/30 15:00 | 19 | Bradley Klahn v Ryan Harrison | 3-6,6-7 | |
| Challenger Cleveland | 01/29 16:20 | 14 | Alexandr Cozbinov v Bradley Klahn | 7-6,5-7,4-6 | |
| Australian Open | 01/11 03:55 | 15 |
Bradley Klahn v
Enzo Couacaud
|
3-6,6-4,4-6 | |
| Australian Open | 01/09 05:55 | 14 | Frederico Ferreira Silva v Bradley Klahn | 3-6,6-7 | |
| Challenger Canberra | 01/02 04:00 | 25 |
Jozef Kovalik
v
Bradley Klahn |
6-4,3-6,7-6 | |
| ATP San Diego | 09/17 21:40 | 14 | Bradley Klahn v Ernesto Escobedo | 6-3,6-7,2-6 | |
| US Open | 08/24 19:25 | 14 |
Bradley Klahn v
Jan-Lennard Struff
|
4-6,6-4,2-6 | |
| ATP Cincinnati | 08/14 17:45 | 19 |
Lorenzo Sonego
v
Bradley Klahn |
6-2,6-4 | |
| ATP Cincinnati | 08/13 14:00 | 14 |
Alexei Popyrin
v
Bradley Klahn |
5-7,6-7 | |
| ATP Washington | 08/01 22:30 | 24 |
Adrian Mannarino
v
Bradley Klahn |
6-2,6-4 | |
| Wimbledon | 06/20 11:55 | 14 |
[460] Bradley Klahn v
Andrea Vavassori
[255] 
|
7-6,2-6,3-6 | |
| ATP Queens | 06/11 11:35 | 14 | [113] Feliciano Lopez v Bradley Klahn [460] | 7-5,6-4 | |
| ATP Hertogenbosch | 06/04 09:00 | 14 | [135] Andreas Seppi v Bradley Klahn [445] | 7-6,6-1 | |
| French Open | 05/16 08:00 | 14 |
[190] Felipe Meligeni Rodrigues Alves
v
Bradley Klahn [444] |
6-3,6-3 | |
| Challenger Barcelona | 10/06 08:00 | 25 |
[201] Brandon Nakashima
v
Bradley Klahn [134] |
|
|
| Challenger Split | 10/01 09:00 | 26 | [134] Bradley Klahn v Alessandro Giannessi [172] | Retired | |
| Challenger Split | 09/29 12:10 | 25 | [134] Bradley Klahn v Peter Polansky [205] | 6-7,6-4,7-6 | |
| French Open | 09/22 08:00 | 14 |
[187] Roman Safiullin
v
Bradley Klahn [133] |
3-6,6-2,6-4 | |
| ATP Rome | 09/13 14:25 | 19 |
[129] Bradley Klahn v
Marco Cecchinato
[108] 
|
1-6,4-6 | |
| ATP Rome | 09/12 16:05 | 14 | [89] Andreas Seppi v Bradley Klahn [129] | 2-6,6-4,6-7 | |
| Challenger Aix en Provence | 09/07 09:30 | 25 | [129] Bradley Klahn v Antoine Hoang [128] | 0-6,2-6 |