By Mauricio Alencar Katie Boulter picked up her first ever WTA 500 title as she beat Ukraine’s Marta Kostyuk in the San Diego Open final. The British tennis player is now 27th in the WTA rankings after her comeback win 5-7 6-2 6-2 against Ukraine’s Marta Kostyuk. Her new WTA ranking is a career high. Boulter’s dominant second and third sets came after she had come back from 5-2 to 5-5 in the first set. She expressed her surprise at winning the tournament. “This week has been very, very special for so many different reasons. This one is pretty amazing, I’ve worked very hard for it, I played som…