Imam-ul-Haq and Fakhar Zaman of Pakistan have broken the record for the highest opening partnership in one-day internationals. The record was earlier held by Sri Lanka’s Upul Tharanga and Sanath Jayasuriya, who had added 286 against England at Leeds in July 2006.Pakistan had opted to bat against Zimbabwe in the fourth ODI of the five-match series in Bulawayo on Friday. The visitors already lead the series 3-0.Up against a weak Zimbabwe team, Imam and Fakhar made the most of the opportunity and posted the first 300-run opening stand in one-day internationals. The pair was eventually separated after adding 304 off 42 overs when Iman fell to Wellington Masakadza for a 122-ball 113.Pakistan’s @FakharZamanLive and @imamulhaq12 have today smashed the record for the highest opening partnership in men’s ODIs! #ZIMvPAK #howzstat pic.twitter.com/lQ2txZe5keICC (@ICC) July 20, 2018Fakhar meanwhile went on to become the first Pakistani batsman and sixth overall after Sachin Tendulkar, Virender Sehwag, Rohit Sharma, Chris Gayle and Martin Guptill to score a double hundred in ODIs. The record for the highest individual score was earlier held by Saeed Anwar, who had made 194 against India back in 1997.Fakhar finished with 210 not out off 156 balls (24 4s, 5 6s) as Pakistan slammed 399/1 off 50 overs.History!Congratulations @FakharZamanLive on your record breaking innings. the first Pakistani ODI Double Centurion .Pakistan: 304/1 (42.0 ov). Live Updates: https://t.co/dnlUTG1Psj #ZIMvPAK pic.twitter.com/sICJqiAiaVPCB Official (@TheRealPCB) July 20, 2018Among the double centirions in one-day internationals, Rohit is the only one to do it thrice – he also holds the record for the highest ODI score.advertisementImam and Fakhar were ruthless against an indisciplined Zimbabwe attack and the record seemed inevitable.Aaron Finch smashes T20I world record with 172 off 76 ballsIn recent years, two other pairs had come close to breaking the record for the highest opening stand in ODIs. David Warner and Travis Head of Australia had added 284 against Pakistan in Adelaide in January last year.Nine months later, South Africa’s opening pair of Quinton de Kock and Hashim Amla added an unbroken 282 against Bangladesh in Kimberley.