A sparkling unbeaten 114 by the in-form Jason Roy coupled with half-centuries from Tillakaratne Dilshan and Gary Wilson helped Surrey dominate a rain-interrupted second day against Hampshire at the Kia Oval.
Five wet weather delays failed to hamper Surrey's flow or curtail an eye-catching unbroken sixth-wicket stand between Roy and Wilson which added 159 in 33.1 overs to help the hosts close on 382 for five.
Resuming on their overnight score of 68 for one following a truncated opening day of only 26 overs, Surrey lost two wickets on a brighter, breezier second morning in SE11.
Rory Burns added 12 to his overnight score, including a dabbed boundary to third man off Danny Briggs, only to depart leg before when working across the line to the left-arm spinner's next delivery.
Surrey raised three figures through Vikram Solanki, who stroked a brace of fours off James Tomlinson to post an 81-ball half-century.
In Briggs' next over, though, he was bowled as he played back in defence and shook his head in disappointment before trudging off with 57 to his name.
Dilshan marched in to make an aggressive start to his championship career. The Sri Lanka veteran spanked three boundaries in four balls only to be pegged back by some accurate bowling from Tomlinson and Brad Taylor, a 17-year-old off-spinner making only his second championship appearance for Hampshire.
STUMPS - Surrey 382-5 @JasonRoy20 114*, @gwilson14 63* pic.twitter.com/lN0LfKwv8x
— Surrey Cricket (@surreycricket) June 29, 2014
The teenager enjoyed success with his first delivery after lunch to break a fourth-wicket stand of 73 in 20.4 overs between Steven Davies and Dilshan.
Aiming to punish a slightly short one from Taylor, Davies - on 30 - skied to midwicket where Matt Coles took an over-the-shoulder catch on the run.
The tussle between Dilshan and Tomlinson proved fascinating, with the left-armer opting to cut his pace back and bowl off-cutters largely from around the wicket.
Having seen Surrey make a racing start, Tomlinson's theory helped restrict Dilshan to singles for the best part of half an hour, but the Sri Lankan broke the shackles once Tomlinson rested.
His imperious on-drive on the up against Kyle Abbott heralded a ninth boundary and his maiden championship half-century from 80 balls but, in looking to move through the gears, 37-year-old Dilshan became Briggs' third victim of the day.
With his score on 69, Dilshan rocked back to cut only to be caught via the toe-end of his bat by wicketkeeper Adam Wheater.
Roy, fresh from scoring 63 from 25 balls in Friday's corresponding NatWest T20 Blast encounter between these two sides, took up Dilshan's cause to accelerate the run-rate.
He drove Taylor for a brace of straight sixes to move past the 2,000-run milestone in first-class cricket and, after two mid-afternoon breaks for showers, the flow of boundaries continued against the second new ball as Roy and Wilson added 112 in 20 overs through to tea.
WATCH the moment @JasonRoy20 moved to his century with a bit of commentary from Church http://t.co/6Qf7QH4Kxi@BBCLondonSport
— Surrey Cricket (@surreycricket) June 29, 2014
Surrey skipper Wilson reached an 80-ball fifty with 10 fours soon after the interval then, following two further breaks for rain, Roy posted his second ton of the championship campaign.
He took 102 deliveries, and hit 13 fours and three sixes, closing on 114 from 113 balls with Wilson unbeaten on 63 at the other end.
Having seen Roy dismantle his side's bowling attack for the second time in 72 hours, Hampshire coach Dale Benkenstein was full of praise for the 23-year-old.
"From a Hampshire point of view we'll be glad to see the back of him, but from a cricketing perspective it's been wonderful to see someone with his talent starting to get it together," said former Durham batsman Benkenstein.
"He's maybe flattered to deceive in the past, especially in the four-day game, but he hits the ball like an international-class player and hardly played a false shot today.
"Clearly, it helps that this is such a good pitch, but I think Jason is starting to come of age and, if he continues to show that level of concentration and starts enjoying making big scores on a regular basis, then there's every chance of him playing at an even higher level.
"We want to bat well tomorrow, then it will be tough for anyone to force a result on this pitch."