By Lehlohonolo Lehana.
Emma Raducanu came from 5-0 down in the first set and won 11 straight games to beat world No.97 Kaja Juvan at the Transylvania Open.
In her second match since splitting with coach Francis Roig, Raducanu won 11 games in a row on the way to securing a 7-5 6-1 victory.
Raducanu had been on the brink of losing the opening set against Juvan but a cross-court forehand winner helped her break in the sixth game and she finally got on the scoreboard.
An improving Raducanu, who is the top seed at the WTA 250 event, broke twice more to level at 5-5 as Juvan failed to serve out for the set on three occasions.
The 23-year-old gave out a scream and fist pump as she held to go into a 6-5 lead before taking her second set point in the next game.
“Thank you for the support, it really got me through some tricky moments in that first set,” said the British number one.
“Kaja was playing some great tennis, was putting me on the back foot straight away.
“I thought I was being aggressive going for my shots but I was missing and not executing. At least I could say that I was trying to play on my terms so that was the goal for me.
“I don’t think I’ve ever come back from 5-0 down before so that’s a first to add to the experience.”
Raducanu will play Poland’s Maja Chwalinska in the quarter-finals.
Meanwhile fellow Briton Katie Boulter reached the last eight at the Ostrava Open with a straight-sets victory over Swiss fifth seed Viktorija Golubic.
Boulter, 29, dropped just two games in each set to set up a meeting with either fourth seed Rebecca Sramkova or Linda Fruhvirtova. It is the first time she has won back-to-back main-draw singles matches since the Nottingham Open.