| Challenger San Diego | 01/27 20:15 | 19 |
Stefan Dostanic
v
Ryan Seggerman 
|
6-0,6-4 | |
| Challenger San Diego | 01/26 23:35 | 14 |
Ryan Seggerman v
Matt Kuhar
|
7-6,6-3 | |
| Challenger Champaign | 11/10 17:05 | 19 |
Shunsuke Mitsui
v
Ryan Seggerman
|
6-7,6-3,6-4 | |
| Challenger Champaign | 11/09 22:30 | 14 |
Ozan Baris
v
Ryan Seggerman
|
5-7,2-6 | |
| Challenger Jingshan | 09/23 03:50 | 19 |
[65] Ryan Seggerman v
Sanhui Shin
[388] |
7-6,4-6,3-6 | |
| Challenger Jingshan | 09/22 06:00 | 14 |
[318] Pavel Kotov
v
Ryan Seggerman [65]
|
5-7,6-2,3-6 | |
| Challenger Sumter | 08/13 15:00 | 25 |
[72] Ryan Seggerman v
Lukas Klein
[122] 
|
Retired | |
| Challenger Sumter | 08/12 16:40 | 19 |
Patrik Trhac
v
Ryan Seggerman
|
6-4,1-6,2-6 | |
| Challenger Sumter | 08/11 19:45 | 14 |
Alex Kobelt
v
Ryan Seggerman
|
4-6,1-6 | |
| Challenger Chicago | 08/03 20:00 | 45 |
[72] Ryan Seggerman v
Tsung-Hao Huang
[213] |
3-6,4-6 | |
| Challenger Sassuolo | 06/15 15:10 | 14 |
[360] Reggiana U20
v
Ryan Seggerman [481]
|
6-1,6-0 | |
| Challenger Ilkley | 06/08 11:10 | 14 |
Ryan Seggerman v
Oliver Crawford
|
Cancelled | |
| Challenger Skopje | 05/18 10:55 | 14 |
[437] Franco Agamenone
v
Ryan Seggerman [415]
|
6-4,6-7,7-6 | |
| Challenger Bordeaux | 05/12 13:30 | 14 |
[415] Ryan Seggerman v
Michael Geerts
[276] 
|
6-7,4-6 | |
| Challenger Savannah | 04/22 21:30 | 25 |
[125] Eliot Spizzirri
v
Ryan Seggerman [424]
|
6-4,6-4 | |
| Challenger Savannah | 04/21 14:00 | 19 |
[340] Garrett Johns
v
Ryan Seggerman [424]
|
6-3,4-6,6-2 | |
| Challenger Savannah | 04/20 14:20 | 14 |
Steven Diez
v
Ryan Seggerman
|
3-6,6-3,3-6 | |
| Challenger Mexico City | 04/07 18:45 | 19 |
[417] Ryan Seggerman v
Andres Martin
[449] 
|
3-6,6-4,3-6 | |
| Challenger Mexico City | 04/06 18:45 | 14 |
Ryan Seggerman v
Alan F R Fierros
|
6-7,6-4,6-4 | |
| ATP Santiago | 02/22 17:50 | 14 |
[401] Ryan Seggerman v
Orlando Luz
[462] 
|
3-6,6-7 | |
| ATP Santiago | 02/22 16:10 | 14 |
Ryan Seggerman v
Facundo Mena
|
Cancelled | |
| ATP Delray Beach | 02/08 15:00 | 14 |
[429] Ryan Seggerman v
James Trotter
[182] 
|
1-6,3-6 | |
| ATP Dallas | 02/02 19:55 | 19 |
[432] Ryan Seggerman v
Brandon Holt
[181] 
|
2-6,3-6 | |
| ATP Dallas | 02/01 16:00 | 14 |
[134] Federico Agustin Gomez
v
Ryan Seggerman [432]
|
4-6,2-6 | |
| Challenger Cleveland | 01/29 02:05 | 25 |
Ryan Seggerman v
Stefan Dostanic
|
6-7,5-7 | |
| Challenger Puerto Vallarta | 11/19 01:00 | 25 |
[416] Ryan Seggerman v
Andre Ilagan
[395] |
1-6,2-6 | |
| Challenger Drummondville | 11/12 15:00 | 25 |
[412] Ryan Seggerman v
Brandon Holt
[200]
|
4-6,1-6 | |
| Challenger Knoxville | 11/04 15:00 | 19 |
Max Wiskandt
v
Ryan Seggerman
|
6-4,3-6,6-3 | |
| Challenger Knoxville | 11/03 15:00 | 14 |
Henry Searle
v
Ryan Seggerman
|
7-6,4-6,2-6 | |
| Challenger Charlottesville | 10/27 22:10 | 14 |
Strong Kirchheimer
v
Ryan Seggerman
|
7-6,6-2 |
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