Watch Wimbledon: Djokovic in control with two-set lead over Safiullin

Wimbledon day seven - use 'watch & listen' tab for live BBC coverage

>LIVE: Novak Djokovic 7-6 (8-6) 6-3 Roman Safiullin on Centre Court

>World number one Aryna Sabalenka v Naomi Osaka later, plus Jannik Sinner and Coco Gauff in action

>Jessica Pegula beats Iva Jovic 4-6 6-3 6-1 to reach quarter-finals

>GB's Henry Patten and doubles partner Harri Heliovaara - men's top seeds - reach quarter-finals

>Experience Centre Court Interactive with SIGNALS - click into real-time data analysis, quizzes and fan interaction

> Watch Wimbledon: Djokovic frustrated but in control against Safiullin