Qualifier Dolehide Celebrates Birthday with Trip to US Open Girls Semifinals; Tiafoe Defeats Top Seed Rublev; Stewart Rolls to Semis; Giron and Kobelt, Elbaba and Loeb in American Collegiate Invitational Final Saturday

©Colette Lewis 2014-- Flushing Meadows, NY-- Caroline Dolehide will celebrate her 16th birthday tonight with a dinner in Manhattan, but that's not her only reason to celebrate.  The Hinsdale, Illinois resident gave herself a gift today, defeating No. 4 seed and 2013 finalist Tornado Alicia Black 6-3, 7-5 to reach the semifinals of the US Open Junior Championships, the first junior slam she's