During Week 4 of IPL 2026, which ran from April 19 to 26, batters dominated the matches, leading to several record-breaking performances. Kolkata Knight Riders (KKR) finally claimed their first win of the season on April 19, with Rinku Singh and Anukul Roy forming a crucial 76-run partnership. The following day, Mumbai Indians (MI) faced their heaviest loss in IPL history, losing by 99 runs to Gujarat Titans, with Tilak Varma scoring a century. On April 21, Abhishek Sharma of Sunrisers Hyderabad made headlines by becoming the first Indian to score multiple IPL centuries in under 50 balls. The week also saw Chennai Super Kings (CSK) defeat MI by 103 runs on April 23, marking MI's first loss by over 100 runs. April 25 was a standout day, highlighted by Punjab Kings' chase of 265 runs against Delhi Capitals, the highest successful chase in T20 history, led by KL Rahul's unbeaten 152. The week concluded with KKR winning a Super Over against Lucknow Super Giants on April 26. Additionally, Vaibhav Sooryavanshi achieved the fastest 500 IPL runs and continues to break records in the tournament.