Emma Raducanu will train this week with Johanna Konta's former coach Esteban Carril.
The US Open champion has lined up a short trial with the Spaniard as she weighs up who is best placed to guide the next stage of her career.
Andrew Richardson coached Raducanu to the title in New York, but his short-term contract has not been extended.
Carril played a huge part in Konta's rise into the world's top 10 from outside the top 100.
It was a big surprise when they parted company at the end of 2016, the year in which Konta reached her first Grand Slam semi-final at the Australian Open and won her maiden WTA title in California.