Rafael Nadal has been seeded only fifth for Wimbledon - meaning he could face second seed Andy Murray in the quarter-finals.
Elena Baltacha, Laura Robson and Heather Watson all saw their Aegon International hopes ended on Wednesday.
Stanislas Wawrinka reached the quarter-finals of the Topshelf Open in 's-Hertogenbosch with a win over Paolo Lorenzi.
Naomi Broady and Jade Windley both suffered defeats in the Wimbledon qualifying rounds on Wednesday.
Pat Cash believes Andy Murray has all the skills needed to win Wimbledon this year but may need some luck along the way.
David Cameron has commended tennis for its efforts to boost participation but warned the sport still has a long way to go.
Five-time champion Venus Williams will not compete at Wimbledon this year.
Former Wimbledon champion Goran Ivanisevic believes Andy Murray will face some "hungry" competition for the title this year.
Britons Laura Robson and Elena Baltacha were among the winners at Eastbourne's Aegon International on Tuesday.
Briton James Ward suffered a first-round defeat at the AEGON International in Eastbourne on Tuesday.