Andrew Guba didn’t win a game in Thursday’s first round of match play but held his lead for boys, while Brooklyn Boudreau didn’t lose a game as she moved into the lead for girls at the 2019 Teen Masters at Sawgrass Lanes in Tamarac, Florida. Guba, of Las Vegas, posted a 30-game total of 6,547 (218.23 average) and held a 102-pin lead over Julian Michael Salinas of Richmond, Texas, heading into Friday’s final two 6-game rounds of match play. Guba had held a 204-pin lead...