| Australian Open | 01/19 02:50 | 23 |
[29] Learner Tien
v
Marcos Giron [51]
|
7-6,4-6,3-6,7-6,6-2 | |
| ATP Auckland | 01/16 03:40 | 28 |
[39] Sebastian Baez
v
Marcos Giron [60]
|
6-1,6-4 | |
| ATP Auckland | 01/14 22:30 | 27 |
[24] Luciano Darderi
v
Marcos Giron [60]
|
6-1,5-7,4-6 | |
| ATP Auckland | 01/13 22:30 | 26 |
[60] Marcos Giron v
Alex Michelsen
[37]
|
6-4,6-4 | |
| ATP Auckland | 01/13 01:40 | 25 |
[50] Alexandre Muller
v
Marcos Giron [60]
|
2-6,2-6 | |
| ATP Hong Kong | 01/10 10:35 | 28 |
[64] Marcos Giron v
Alexander Bublik
[11]
|
6-3,4-6,2-6 | |
| ATP Hong Kong | 01/09 11:40 | 27 |
[64] Marcos Giron v
Michael Mmoh
[285]
|
Retired | |
| ATP Hong Kong | 01/08 05:30 | 26 |
[52] Alexandre Muller
v
Marcos Giron [64]
|
4-6,6-7 | |
| ATP Hong Kong | 01/06 09:40 | 25 |
[95] Laslo Djere
v
Marcos Giron [64]
|
2-6,0-6 | |
| ATP Athens | 11/06 18:00 | 27 |
[72] Marcos Giron v
Yannick Hanfmann
[117]
|
6-7,4-6 | |
| ATP Athens | 11/05 20:20 | 26 |
[33] Brandon Nakashima
v
Marcos Giron [72]
|
6-7,1-6 | |
| ATP Athens | 11/04 14:30 | 25 |
[72] Marcos Giron v
Pedro Martinez
[95]
|
6-4,6-1 | |
| ATP Paris | 10/27 10:00 | 24 |
[50] Daniel Altmaier
v
Marcos Giron [65]
|
6-2,7-6 | |
| ATP Basel | 10/21 15:20 | 25 |
[57] Marcos Giron v
Denis Shapovalov
[23]
|
7-6,0-6,6-7 | |
| ATP Basel | 10/21 10:00 | 25 |
Marcos Giron v
Holger Rune
|
Cancelled | |
| ATP Brussels | 10/15 18:55 | 26 |
[54] Marcos Giron v
Alejandro Davidovich Fokina
[20]
|
7-6,1-6,4-6 | |
| ATP Brussels | 10/13 13:30 | 25 |
[54] Marcos Giron v
Mattia Bellucci
[71]
|
6-3,6-4 | |
| ATP Shanghai | 10/02 09:35 | 23 |
[50] Marcos Giron v
Bonilla/Olivares
[74] |
4-6,3-6 | |
| ATP Tokyo | 09/25 02:00 | 25 |
[48] Marcos Giron v
Sebastian Korda
[74]
|
6-4,3-6,6-7 | |
| ATP Chengdu | 09/21 07:40 | 27 |
[50] Marcos Giron v
Brandon Nakashima
[33]
|
3-6,6-2,6-7 | |
| ATP Chengdu | 09/19 05:05 | 26 |
[44] Lorenzo Sonego
v
Marcos Giron [50]
|
4-6,4-6 | |
| ATP Chengdu | 09/17 05:30 | 25 |
[50] Marcos Giron v
Ethan Quinn
[81]
|
7-5,6-4 | |
| US Open | 08/27 17:00 | 24 |
[51] Benjamin Bonzi
v
Marcos Giron [55]
|
2-6,4-6,7-5,6-3,6-4 | |
| US Open | 08/24 22:05 | 23 |
[78] Mariano Navone
v
Marcos Giron [55]
|
0-6,5-7,6-4,7-5,4-6 | |
| ATP Winston-Salem | 08/19 20:30 | 25 |
[74] Luis Calvo
v
Marcos Giron [55]
|
6-2,6-2 | |
| ATP Cincinnati | 08/08 17:10 | 23 |
[61] Marcos Giron v
Alexander Blockx
[119]
|
2-6,6-3,3-6 | |
| ATP Toronto | 07/28 19:00 | 23 |
[59] Marcos Giron v
Adrian Mannarino
[94]
|
4-6,4-6 | |
| ATP Washington | 07/22 19:55 | 24 |
[50] Jaume Munar
v
Marcos Giron [57]
|
7-5,6-3 | |
| Wimbledon | 07/03 10:00 | 24 |
[45] Marcos Giron v
Jakub Mensik
[17]
|
4-6,6-3,4-6,6-7 | |
| Wimbledon | 07/01 16:50 | 23 |
[45] Marcos Giron v
Camilo Ugo Carabelli
[56]
|
7-6,7-6,6-3 |
Marcos Andres Giron ( ghee-ROHN; born July 24, 1993; Spanish: Girón) is an American professional tennis player. He has a career-high singles ranking of world No. 37 achieved on August 5, 2024 and a doubles ranking of No. 194 achieved on August 1, 2022. Giron won the singles title at the 2014 NCAA Division I Tennis Championships for UCLA. He has won an ATP Tour title at the 2024 Hall of Fame Open.