| US Open | 08/26 22:30 | 23 | [59] Yoshihito Nishioka v Marcos Giron [151] | 3-6,6-4,6-4,6-4 | |
| ATP - Winston-Salem | 08/20 02:25 | 24 | [155] Marcos Giron v Roberto Carballes Baena [76] | 2-6,6-2,3-6 | |
| ATP - Winston-Salem | 08/18 19:00 | 164 | [158] Marcos Giron v Borna Gojo [302] | 6-4,6-4 | |
| ATP - Winston-Salem | 08/17 18:00 | 64 | [158] Marcos Giron v Roy Smith [323] | 6-2,6-0 | |
| Challenger Aptos | 08/09 17:00 | 27 | [122] Dominik Koepfer v Marcos Giron [157] | 6-1,6-4 | |
| Challenger Aptos | 08/08 19:05 | 26 | [312] Borna Gojo v Marcos Giron [157] | 6-3,6-7,4-6 | |
| Challenger Aptos | 08/06 20:05 | 25 | [386] Martin Redlicki v Marcos Giron [157] | 2-6,3-6 | |
| ATP - Los Cabos | 07/28 00:00 | 64 | [289] Marcelo Arevalo v Marcos Giron [140] | 6-4,6-3 | |
| Wimbledon | 07/01 10:00 | 23 | [155] Marcos Giron v Feliciano Lopez [54] | 4-6,2-6,4-6 | |
| Wimbledon | 06/27 10:00 | 25 | [158] Marcos Giron v Viktor Galovic [199] | 7-5,6-2,2-6,6-4 | |
| Wimbledon | 06/26 11:25 | 45 | [103] Antoine Hoang v Marcos Giron [158] | 4-6,6-7 | |
| Wimbledon | 06/24 10:00 | 44 | [212] Arthur De Greef v Marcos Giron [158] | 2-6,3-6 | |
| Challenger Ilkley | 06/18 17:15 | 25 | [110] Marcel Granollers v Marcos Giron [161] | 6-4,6-3 | |
| Challenger Ilkley | 06/17 16:05 | 24 | [161] Marcos Giron v Filippo Baldi [149] | 6-1,6-4 | |
| ATP - Hertogenbosch | 06/09 09:00 | 164 | [161] Marcos Giron v Salvatore Caruso [147] | 3-6,6-3,3-6 | |
| ATP - Hertogenbosch | 06/08 10:25 | 64 | [120] Jason Jung v Marcos Giron [161] | 2-6,7-5,2-6 | |
| French Open | 05/22 12:50 | 45 | [162] Marcos Giron v Lukas Rosol [138] | 4-6,4-6 | |
| French Open | 05/20 08:00 | 44 | [162] Marcos Giron v Donald Young [197] | 6-0,6-1 | |
| Challenger - Lissabon | 05/14 13:20 | 25 | [269] Elliot Benchetrit v Marcos Giron [157] | 7-6,6-3 | |
| Challenger - Aix en Provence | 05/07 10:55 | 25 | [157] Marcos Giron v Jan Satral [368] | 3-6,6-2,4-6 | |
| Challenger - Bordeaux | 05/02 10:15 | 26 | [154] Marcos Giron v Filip Horansky [186] | 5-7,2-6 | |
| Challenger - Bordeaux | 05/01 10:10 | 25 | [154] Marcos Giron v Gregoire Jacq [426] | 6-1,6-4 | |
| Challenger - Sarasota | 04/20 15:30 | 28 | [169] Marcos Giron v Tennys Sandgren [111] | 6-7,6-2,2-6 | |
| Challenger - Sarasota | 04/19 17:00 | 27 | Marcos Giron v Sebastian Korda | 6-1,6-4 | |
| Challenger - Sarasota | 04/18 14:00 | 26 | [119] Henri Laaksonen v Marcos Giron [169] | 6-7,6-1,3-6 | |
| Challenger - Sarasota | 04/17 14:00 | 25 | [451] Arthur Rinderknech v Marcos Giron [169] | 5-7,6-7 | |
| ATP - Houston | 04/06 20:40 | 64 | [194] Pedja Krstin v Marcos Giron [177] | 6-4,6-1 | |
| Challenger - Monterrey | 04/05 23:30 | 27 | [93] Tennys Sandgren v Marcos Giron [177] | 6-1,6-7,6-0 | |
| Challenger - Monterrey | 04/04 18:25 | 26 | [177] Marcos Giron v Marcel Granollers [111] | 4-6,6-3,6-4 | |
| Challenger - Monterrey | 04/02 22:35 | 25 | Marcos Giron v Emilio Nava | 6-4,6-2 |
Wikipedia - Marcos Giron
Marcos Andres Giron (født 24. juli 1993 i Thousand Oaks, Californien, USA) er en professionel tennisspiller fra USA.