Emma Raducanu’s struggles continued as she suffered a fourth straight loss for the first time in her career.

Raducanu began her season with victory over Russia’s Ekaterina Alexandrova in the first round of the Australian Open but could not repeat the feat at the Qatar Open in Doha. A 6-3, 7-5 loss to Alexandrova followed first-round defeats by Marketa Vondrousova in Abu Dhabi and Cristina Bucsa in Singapore as well as a third-round defeat by Iga Swiatek in Melbourne.

The 22-year-old, who again needed a wild card to secure entry to the tournament, has not tasted victory since her coach Nick Cavaday stepped down for health reasons after the Australian Open. Raducanu’s mentor Jane O’Donoghue flew to Doha to offer support but could not help the former US Open champion engineer a change in fortunes.

Alexandrova bounced back from her defeat against Raducanu by winning a WTA Tour title in Linz and the difference in confidence levels between the pair became apparent.

As against Vondrousova last Tuesday, Raducanu got off to a strong start, moving into a 3-1 lead, and had she taken any of three chances for a second break of serve things might have turned out differently.

But Alexandrova began to really find her range on her big ground strokes and by the time Raducanu won another game she was a break down in the second set. She took advantage of a dip from her opponent to lead 3-1 again but once more could not cement her advantage and Alexandrova claimed the crucial break at 5-5.

Raducanu has said she is in no rush to find a replacement for Cavaday.