1.   Play began after the retractable center court roof was closed for only the second time in the tournament.

2.   Australian Open officials decided to close the retractable center court roof after predictions of extreme heat for the third straight day.

3.   The match was play under the retractable center court roof because of a storm that subsequently flooded areas of the stadium.

4.   The pair played long rallies in the second set, and both players sweated heavily under the retractable center court roof that was closed because of rain.