by Randy Walker @TennisPublisher Sixteen-year-old Learner Tien of Irvine, Calif., will become one of the youngest men to ever compete at the U.S. Open Tennis Championship after winning the 2022 USTA National Boys’ 18 Championships in Kalamazoo, Michigan to earn an automatic wild card entry into the event. Tien won a 7-6, 7-6, 5-7, 6-3 […]