The British primary is but to win two matches at a match in 2022 and that run continues, as she was overwhelmed 3-6 6-4 7-5 by the world quantity 53.
Raducanu made one other quick begin as Siniakova gave the impression to be combating the warmth and humidity, calling the coach after solely 5 video games. The 19-year-old sealed the primary set with a forehand winner after which moved a break up firstly of the second.
However from 1-3 down, Siniakova rallied to take the second set and power a decider in Miami.
Raducanu regarded to have turned the tide again in her favour when she moved 5-3 forward after which served for the match. She battled again from 0-30 to make it 30-30, however Siniakova carved out a break level and took it to place the third set again on serve.
The momentum was then absolutely with the Czech and she or he noticed out the remainder of the match in comparatively snug style to guide her place within the subsequent spherical, and go away Raducanu to replicate on one other disappointing outcome.
Whereas there was dejection for Raducanu, Heather Watson claimed her greatest victory by rating for greater than two years with a 4-6 6-3 7-6 (4) success towards Twentieth-ranked Elina Svitolina.
It’s a well timed good run for Watson, who just lately dropped out of the highest 100, and sees her comply with within the footsteps of her compatriot Harriet Dart after she additionally beat Svitolina in Indian Wells final week.
Watson informed Amazon Prime Video: “I really like this match. I’ve been coming right here for therefore lengthy. I simply find it irresistible right here, I really feel prefer it’s house.
“I’m actually blissful that I’m coming again into kind this yr. I used to be simply pondering on the finish that my health bought me by way of that match. I’m actually glad I held my nerve and was in a position to recover from the road.”
Extra reporting by PA Sport.