Top seed Yastremska stumbles in opening round of Thailand Open in Hua Hin
Tuesday saw the completion of 1st-round matches in Hua Hin, and the departure of top-seeded Dayana Yastremska after the Ukrainian fell to Japan’s Mai Hontama, 7-6(4) 7-5, leaving Katerina Siniakova, the No 2 seed from Czech Republic as favourite for the WTA 250 Thailand Open 2 title. Hontama saved 4 set points trailing 5-4 in…