Watch this quarter-final showdown from Delray Beach where top seed Juan Martin del Potro met rising American Mackenzie McDonald for a place in the final four.
Juan Martin del Potro v Mackenzie McDonald
Replay
Delray Beach
2019QFQF
Watch this quarter-final showdown from Delray Beach where top seed Juan Martin del Potro met rising American Mackenzie McDonald for a place in the final four.
