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