Take part in Halloween Tennis on Friday, 28 October from 7 p.m. Cost: £10 for tennis and food or £6 for food only (from 9 p.m.) or £4 for tennis only (from 7-9 p.m.) Join Lizzie Grumbach and Diane Alagar (if you dare) for a night of spooky tennis, tricking and treating your opponents, wearing