Results
| Challenger Aix en Provence | 04/30 10:50 | 25 | [51] Marcos Giron v Jaume Munar [73] | 1-6,3-6 | |
| ATP Madryt | 04/25 10:35 | 23 | [80] Max Purcell v Marcos Giron [51] | 4-6,6-4,7-6 | |
| ATP Monte Carlo | 04/09 11:20 | 24 | [49] Zhizhen Zhang v Marcos Giron [48] | 6-4,3-6,6-3 | |
| ATP Houston | 04/05 21:05 | 27 | [51] Marcos Giron v Luciano Darderi [72] | 0-6,4-6 | |
| ATP Houston | 04/04 02:05 | 26 | [51] Marcos Giron v J.J. Wolf [96] | 6-4,6-3 | |
| ATP Houston | 04/03 01:55 | 25 | [51] Marcos Giron v Denis Shapovalov [121] | 6-2,7-5 | |
| ATP Miami | 03/21 01:00 | 23 | [51] Marcos Giron v Dominik Koepfer [50] | 6-4,1-6,4-6 | |
| ATP Indian Wells | 03/06 19:00 | 23 | [99] Thanasi Kokkinakis v Marcos Giron [48] | 6-3,7-5 | |
| ATP Los Cabos | 02/22 01:40 | 26 | [52] Marcos Giron v Casper Ruud [12] | 1-6,0-6 | |
| ATP Los Cabos | 02/21 01:10 | 25 | [63] Taro Daniel v Marcos Giron [52] | 4-6,5-7 | |
| ATP Delray Beach | 02/18 01:10 | 28 | [9] Taylor Fritz v Marcos Giron [52] | 7-6,6-2 | |
| ATP Delray Beach | 02/16 23:00 | 27 | [52] Marcos Giron v Patrick Kypson [155] | 6-4,6-4 |
Wikipedia - Marcos Giron
Marcos Giron (ur. 24 lipca 1993 w Thousand Oaks) – amerykański tenisista.