Madison Keys saved five match points and needed a deciding set tie-break to win a thrilling second-round match at the US Open and avoid a major upset.
The 22nd seed won 5-7 6-4 7-6(10-5) against Hungary’s world No 75 Anna Bondar, winning four games in a row and saving match points in the deciding set, before coming from 5-3 down in a dramatic tiebreak to book her place in the third round.