Top seed Carlos Alcaraz was pushed to the brink by fellow-Spaniard Jaume Munar in a thrilling three-set contest before clinching a 6-4 6-7(7) 7-5 win and advanced to the Queen's Club Championships quarterfinals on Thursday.

Carlos Alcaraz overcame an inspired opponent and the sweltering London heat to reach the quarterfinal at Queen’s, beating compatriot Jaume Munar 6-4, 6-7(9), 7-5 in an epic contest that lasted three hours and 23 minutes.

Top seed Carlos Alcaraz was pushed all the way by fellow-Spaniard Jaume Munar in a thrilling contest before clinching a 6-4 6-7 (7) 7-5 win and advanced to the Queen's Club Championships quarter-finals on Thursday.