Nakashima Earns Another Top 100 Win at Indian Wells Challenger; A Look at Oracle Pro Series; Khan Reaches Quarterfinals at Grade 1 in Thailand; Plenty of Americans in ITF Grade 3 Costa Rica Quarterfinals; Bears, Firecrackers Win USTA National Spring Team Championships

Brandon Nakashima has had an impressive three weeks, starting with a quarterfinal appearance in his first ATP event last month in Delray Beach, whe…