Andrew Guba and Sierra Calo lead after Monday’s first round of qualifying at the Teen Masters at Sawgrass Lanes in Tamarac, Florida. Guba, who is from Las Vegas, totaled 1,323 on games of 248, 212, 199, 237, 191 and 236. Bryce Oliver was second for the boys with 1,313. Calo, of Riverview, Florida, totaled 1,291 in games of 199, 209, 265, 223, 220 and 175. Caroline Thesier was second for the girls with 1,267. There are 158 boys and 98 girls competing. After three rounds of qualifying,...