Images from Day 1 of the French Open matches played at Roland Garros on Sunday
With five of the top 10 in the current rankings aged 28 or older, form suggests another pair of seasoned campaigners could contest the title match at the French Open, which starts in Paris on Sunday.
Five-time world champion Viswanathan Anand started his campaign at the Bilbao Final Masters with a crushing win over former FIDE world champion Ruslan Ponomariov of Ukraine in Bilbao, Spain.
A summary of sports events and sports persons, who made news on Sunday
The signs that things were going horribly wrong for Roger Federer were laid bare at Roland Garros.
Images from Day 6 of the Australian Open in Melbourne, on Saturday.
Former world number one Andy Murray withdrew from the Brisbane International with a hip problem on Tuesday, further putting in doubt the Briton's prospects of being fit in time for the Australian Open later this month.