▁Open ▁over ▁Dutch ▁pair ing ▁of ▁Ha ase / S ij s ling , ▁making ▁a ▁record ▁of ▁most ▁sl ams ▁by ▁a ▁doubles ▁team . ▁They ▁then ▁won ▁consecutive ▁titles ▁at ▁the ▁U . S . ▁National ▁Ind oor ▁Tennis ▁Championships ▁defe ating ▁compat ri ot ▁Bla ke / S ock ▁and ▁B NP ▁Par ib as ▁Open ▁defe ating ▁H ue y / Jan ow icz ▁in ▁a ▁match ▁tie - break . ▁They ▁then ▁reached ▁the ▁final ▁of ▁the ▁U . S . ▁Men ' s ▁Clay ▁Court ▁Championships ▁and ▁the ▁Monte - Car lo ▁Ro lex ▁Masters , ▁losing ▁to ▁Murray / Pe ers ▁and ▁Ben net eau / Z imon ji ć , ▁respectively ▁in ▁three ▁sets . ▁They ▁then ▁went ▁on ▁to ▁a ▁ 2 5 ▁match ▁winning ▁stre ak , ▁capt uring ▁five ▁titles ▁in ▁the ▁process . ▁They ▁won ▁title ▁at ▁the ▁Mut ua ▁Madrid ▁Open ▁be ating ▁P ey a / So ares , ▁Intern az ionali ▁B NL ▁d ' Italia ▁be ating ▁Indian ▁pair ing ▁of ▁Bh up ath i / B op anna , ▁French ▁Open ▁be ating ▁French men ▁L l od ra / M ah ut ▁in ▁a ▁third ▁set ▁tie - break , ▁A EG ON ▁Championships ▁be ating ▁P ey a / So ares , ▁and ▁W im ble don ▁be ating ▁D od ig / M elo ▁in ▁four ▁sets , ▁giving ▁them ▁the ▁Golden ▁S lam , ▁being ▁the ▁holder ▁of ▁all ▁four ▁sl ams