Highlights of the fourth day at the Wimbledon tennis championships on Thursday (times GMT):2030 SHELTON ALMOST INTO THIRD ROUNDAmerican Ben Shelton needs just one more game to reach the third round after his match with Australian Rinky Hijikata was suspended with the 10th seed 6-2 7-5 5-4 up.

Though Gauff's playing style isn’t particularly suited for success on grass, Roddick said on his podcast, Pegula's loss was "most shocking" because hers is. Pegula's quick exit at Wimbledon came only three days after she had won another grass-court tournament in Germany that was seen as a warmup for Wimbledon.

With its short playing season and high maintenance costs, grass court tennis is under threat. Only in the UK and Australia is it still a widely used playing surface.