'Keep it up!' - Andreeva takes 'revenge' on Martinez

An animated Mirra Andreeva fulfilled her promise to take "revenge" on coach Conchita Martinez by turning cheerleader at her invitational doubles match at Wimbledon.

Andreeva took the opportunity to reverse their respective roles and could be heard cheering Martinez on, shouting things like "you'd better win this game" and "keep it up!" after each point.

On the intimate setting of court 16, the seventh seed sported a hat decorated with tennis-related pin badges and held a poster reading 'Let's go senorita!' and 'You are golden'.

Martinez was playing in the invitational doubles - an exhibition event pitting former professional tennis players against one another - alongside former British number one Greg Rusedski.

After Andreeva booked her place in the last eight at the All England Club with victory over American Emma Navarro on Monday, the 18-year-old said she was looking forward to getting her own back on former Wimbledon champion Martinez.

"I'm already thinking about a poster I will make. I think that's my time to get back at her," she said.

Having joined forces last season, the two have a clear mutual affection, with Andreeva often teasing Martinez in her post-match interviews.

Martinez said the teenager brings out her "playful" side and the partnership has also been an effective one, with Andreeva rising to a career-high sixth in the rankings and reaching the quarter-finals at Wimbledon for the first time.

Andreeva will face Switzerland's Belinda Bencic in the last eight on Wednesday.