Grass court

Nick Kyrgios has remained a doubt for Wimbledon after pulling out of the Mallorca Open amid knee injury concerns.

The Australian, 28, said he was still hoping to compete at the London Grand Slam, where he finished runner-up to Novak Djokovic last year.

Bulgarian Tsvetana Pironkova lost in the first round of the Aegon International in Eastbourne, 6:3, 5:7, 2:6 against Heather Watson of the UK.