Alexander Zverev beat American Jenson Brooksby at the Acapulco tournament, following a match that ended at 4:54 am, a record in professional tennis.
The Tokyo Olympic champion, world No. 3, won after three hours and 19 minutes of play, with the result of 3-6, 7-6 (12/10), 6-2, when it was now 04:54 in the morning, local time.
Two more matches in tennis history had ended after three in the morning.
The latest was in 2008 at the Australian Open, when Australian Lleyton Hewitt beat Cypriot Marcos Baghdatis at 04:34 in the morning.