Kaia Kanepi

The two endlessly gutsy teenagers have a long history and a number of parallels

Lack of a crowd took away from first night session match at French Open

Australian Open title defence ended by Estonian veteran Kaia Kanepi in second round

The final of the Grampians Trophy will not be played due to delay for positive test

Czech teenager Vondrousova impresses on way to last eight

Serena Williams’s bid for a record-equalling 24th Grand Slam starts against world No 71

Estonia’s Kaia Kanepi takes second set but is eventually outgunned at Flushing Meadows

Women’s tournament loses top two seeds but Petra Kvitova progresses in New York

Meanwhile, Simona Halep becomes first women’s top seed in the Open era to lose in the first round