B rit ish ▁people ▁of ▁Par si ▁descent ▁Category : B rit ish ▁Z oro ast ri ans <0x0A> </s> ▁Ch ase ▁Buch an an ▁( born ▁June ▁ 4 , ▁ 1 9 9 1 ) ▁is ▁an ▁in active ▁American ▁male ▁tennis ▁player . ▁Buch an an ▁grew ▁up ▁and ▁attended ▁grade ▁school ▁and ▁high ▁school ▁in ▁New ▁Alb any , ▁Ohio ▁and ▁now ▁att ends ▁Ohio ▁State ▁University ▁and ▁is ▁a ▁member ▁of ▁the ▁tennis ▁team . ▁ ▁Career ▁Buch an an ▁reached ▁no . ▁ 6 ▁on ▁the ▁junior ▁rank ings ▁on ▁March ▁ 9 , ▁ 2 0 0 9 . ▁His ▁first ▁title ▁came ▁at ▁age ▁ 1 5 ▁on ▁the ▁junior ▁tour . ▁He ▁emer ged ▁vict orious ▁at ▁the ▁Pan ama ▁Bowl ▁in ▁both ▁singles , ▁emer ging ▁from ▁the ▁qual ifying ▁to ▁do ▁so ; ▁and ▁doubles , ▁alongside ▁fellow ▁ 2 0 0 9 ▁U . S . ▁Open ▁wild card ▁De vin ▁Brit ton . ▁He ▁won ▁the ▁ 2 0 0 8 ▁E aster ▁Bowl , ▁be ating ▁Alex ▁L l om part ▁in ▁the ▁final . ▁In ▁ 2 0 0 8 ▁and ▁ 2 0 0 9 , ▁Buch an an ▁was ▁r ated ▁no . ▁ 1 ▁in ▁the ▁United ▁States ▁by ▁both ▁Tennis Rec ruit ing ▁and ▁Tennis ▁R PI . ▁ ▁In ▁ 2 0 0 9 , ▁Buch an an ▁won ▁the ▁U ST A ▁Boys ▁ 1 8 s ▁National ▁Championship ▁in ▁Kal am