[142] Mackenzie McDonald 6-3,3-6,2-6 Jay Clarke [236] 2018-04-16 16:05
Stadium: Court 5 Round: 25 Ground: Clay
Home History
| ATP Houston | 2018/04/10 01:20 | Frances Tiafoe v Mackenzie McDonald | 6-3,6-3 |
| ATP Miami Qual | 2018/03/20 14:00 | Darian King v Mackenzie McDonald | 2-6,6-4,6-4 |
| ATP Miami Qual | 2018/03/19 14:00 | Felix Auger Aliassime v Mackenzie McDonald | 6-3,2-6,6-7 |
| ATP Indian Wells Qual | 2018/03/07 20:15 | Taro Daniel v Mackenzie McDonald | 6-4,6-3 |
| ATP Indian Wells Qual | 2018/03/07 00:05 | Alexander Sarkissian v Mackenzie McDonald | 1-6,3-6 |
| ATP Acapulco | 2018/02/28 03:30 | Mackenzie McDonald v Alexander Zverev | 3-6,5-7 |
| ATP Acapulco Qual | 2018/02/26 02:30 | Ernesto Escobedo v Mackenzie McDonald | 7-5,7-6 |
| ATP Acapulco Qual | 2018/02/25 02:55 | Luis Patino v Mackenzie McDonald | 3-6,4-6 |
Away History
| Challenger Sarasota Qual | 2018/04/15 14:00 | Jay Clarke v Peter Torebko | 6-4,7-6 |
| Challenger Sarasota Qual | 2018/04/14 17:15 | Jay Clarke v Deiton Baughman | 6-4,7-5 |
| Challenger Mexico City | 2018/04/11 22:20 | Jay Clarke v Andrea Basso | 4-6,4-6 |
| Challenger Mexico City | 2018/04/10 17:00 | Yannick Hanfmann v Jay Clarke | 2-6,3-6 |
| Challenger Panama City | 2018/04/04 18:30 | Jan Choinski v Jay Clarke | 6-4,6-2 |
| Challenger Panama City | 2018/04/03 21:50 | Pedja Krstin v Jay Clarke | 5-7,2-6 |
| Challenger San Luis Potosi | 2018/03/30 20:15 | Jay Clarke v Pedro Sakamoto | 3-6,6-7 |
| Challenger San Luis Potosi | 2018/03/29 18:00 | Yannick Hanfmann v Jay Clarke | 5-7,6-2,4-6 |