▁meeting ▁and ▁l one ▁meeting ▁in ▁ 2 0 1 3 ▁at ▁the ▁B NP ▁Par ib as ▁Masters ▁semif inals , ▁coming ▁back ▁from ▁a ▁set ▁down . ▁Again st ▁the ▁Argent ine ▁del ▁Pot ro , ▁the ▁Swiss ▁is ▁ 1 4 – 5 ; ▁however , ▁del ▁Pot ro ▁has ▁won ▁three ▁of ▁the ▁last ▁four . ▁The ▁pair ▁spl its ▁their ▁matches ▁in ▁ 2 0 1 3 , ▁with ▁del ▁Pot ro ▁winning ▁in ▁the ▁final ▁of ▁the ▁Swiss ▁Ind o ors ▁and ▁Feder er ▁winning ▁in ▁the ▁quarter final s ▁of ▁B NP ▁Par ib as ▁Masters . ▁Feder er ▁also ▁leads ▁French man ▁Gas quet ▁ 1 0 – 2 , ▁their ▁last ▁meeting ▁coming ▁in ▁the ▁third ▁round ▁of ▁the ▁ 2 0 1 2 ▁Mut ua ▁Madrid ▁Open , ▁with ▁Feder er ▁winning ▁in ▁straight ▁sets . ▁World ▁no . ▁ 2 ▁Dj ok ov ic ▁has ▁the ▁lead ▁against ▁the ▁other ▁two ▁member ▁of ▁his ▁group . ▁The ▁Ser b ▁is ▁ 1 0 – 3 ▁against ▁del ▁Pot ro , ▁leading ▁their ▁ 2 0 1 3 ▁match – up ▁ 3 – 1 , ▁winning ▁their ▁most ▁recent ▁match ▁at ▁the ▁Shang hai ▁Ro lex ▁Masters ▁final ▁in ▁a ▁third - set ▁tie – break . ▁Dj ok ov ic ▁has ▁an ▁almost ▁perfect ▁record ▁against ▁Gas quet ▁at ▁ 9 – 1 , ▁including ▁winning ▁the ▁last ▁seven ▁matches ▁and ▁ 1 5 ▁straight ▁sets . ▁Dj ok ov ic