Stadium: Pista 4 Round: 24 Ground: Clay
| ATP Estoril | 2017/05/02 15:10 | Ryan Harrison v Guillermo Garcia-Lopez | 6-3,2-6,6-2 |
| ATP Auckland | 2017/01/09 23:30 | Ryan Harrison v Guillermo Garcia-Lopez | 6-1,6-2 |
| ATP Shenzhen | 2016/09/27 06:00 | Ryan Harrison v Guillermo Garcia-Lopez | 7-5,6-4 |
| ATP Barcelona | 2018/04/26 14:15 | Rafael Nadal v Guillermo Garcia-Lopez | 6-1,6-3 |
| ATP Barcelona | 2018/04/23 13:05 | Yuichi Sugita v Guillermo Garcia-Lopez | 6-7,6-7 |
| ATP Monte Carlo | 2018/04/18 12:40 | Guillermo Garcia-Lopez v Andreas Seppi | 6-4,3-6,5-7 |
| ATP Monte Carlo Qual | 2018/04/15 09:00 | Guillermo Garcia-Lopez v Marco Cecchinato | 4-6,2-6 |
| ATP Monte Carlo Qual | 2018/04/14 11:20 | Guillermo Garcia-Lopez v Lorenzo Sonego | 6-4,6-3 |
| ATP Marrakech | 2018/04/11 17:35 | Guillermo Garcia-Lopez v Richard Gasquet | 2-6,4-6 |
| ATP Marrakech | 2018/04/10 11:50 | Calvin Hemery v Guillermo Garcia-Lopez | 2-6,2-6 |
| ATP Miami | 2018/03/24 18:50 | Guillermo Garcia-Lopez v Fernando Verdasco | 6-4,0-6,2-6 |
| ATP Houston | 2018/04/12 18:35 | Taylor Fritz v Ryan Harrison | 3-6,6-0,6-3 |
| ATP Houston | 2018/04/10 20:35 | Miomir Kecmanovic v Ryan Harrison | 4-6,3-6 |
| Davis Cup | 2018/04/08 19:00 | Ryan Harrison v Ruben Bemelmans | 6-3,6-4 |
| ATP Miami | 2018/03/21 15:00 | Ryan Harrison v Joao Sousa | 6-7,6-7 |
| ATP Indian Wells | 2018/03/09 01:05 | Ryan Harrison v Federico Delbonis | 2-6,6-4,5-7 |
| ATP Acapulco | 2018/03/01 23:30 | Ryan Harrison v Alexander Zverev | 4-6,1-6 |
| ATP Acapulco | 2018/02/28 23:30 | Ryan Harrison v Diego Schwartzman | 6-3,5-7,6-4 |
| ATP Acapulco | 2018/02/27 01:00 | John Isner v Ryan Harrison | 3-6,6-7 |