Kayla Day vs Mary Stoiana Head to Head Tennis Stats and Match Analysis

Kayla Day and Mary Stoiana have met 4 times in professional competition, with Kayla Day leading 3-1. Their most recent encounter was in June 2026 at Ilkley 125, where Mary Stoiana prevailed on grass court 7-5 6-4.

Kayla Day: Against opponents ranked outside top 100 players in the last 52 weeks, Kayla Day holds a 79-18 record (81.4%). Throughout her career, she has competed against opponents ranked outside top 100 447 times, winning 286 (64.0%). Kayla Day has won her last 3 matches. Over the past 10 matches, she holds a 7-3 record. Over the past 52 weeks, Kayla Day has posted a 83-21 record (79.8% win rate). Over her career at WTA level, Kayla Day holds a record of 6-18 (25.0%) on hard, 2-7 (22.2%) on clay, and 0-1 on grass. At Challenger/ITF level: 142-87 (62.0%) on hard, 111-49 (69.4%) on clay, and 1-4 (20.0%) on grass. In the last 52 weeks: 1-1 (50.0%) on hard and 0-1 on clay at WTA level. 40-3 (93.0%) on clay, 34-10 (77.3%) on hard, and 1-2 (33.3%) on grass at Challenger/ITF level. Kayla Day has won 10 titles at Challenger/ITF level (seven on hard and three on clay). Kayla Day is currently serving 4.0 aces per match in the last 52 weeks (104 matches), up from a career average of 3.5.

Mary Stoiana: Against opponents ranked outside top 100 players in the last 52 weeks, Mary Stoiana holds a 35-23 record (60.3%). Throughout her career, she has competed against opponents ranked outside top 100 122 times, winning 73 (59.8%). Over the past 10 matches, she holds a 6-4 record. Over the past 52 weeks, Mary Stoiana has posted a 36-27 record (57.1% win rate). Over her career at WTA level, Mary Stoiana holds a record of 0-1 on hard and 0-1 on clay. At Challenger/ITF level: 52-34 (60.5%) on hard, 10-7 (58.8%) on clay, and 5-2 (71.4%) on grass. In the last 52 weeks: 0-1 on hard and 0-1 on clay at WTA level. 15-13 (53.6%) on hard, 9-4 (69.2%) on clay, and 5-2 (71.4%) on grass at Challenger/ITF level. Mary Stoiana has won one title at Challenger/ITF level (on hard). Mary Stoiana serves an average of 1.7 aces per match in the last 52 weeks, consistent with her career average of 1.5.