Yorkshire 40 for 3 trail Surrey 414 (Pope 158*, Clarke 71, Elgar 61) by 374 runs
Surrey batsman Ollie Pope hit a career-best 158 not out before rain ruined the second day of their Specsavers County Championship match against Yorkshire at the Kia Oval.
The 20-year-old's third Championship century, in only his tenth first-class game, helped Surrey make 414.
They then reduced Yorkshire to 40 for 3 before rain arrived at 12.50pm.
With steady drizzle falling all afternoon and no prospect of an improvement in the conditions, umpires Martin Saggers and David Millns abandoned the day's play at 4.30pm.
Pope, 20, added a further 27 runs in the morning with Surrey's tail as their last three wickets fell in six overs.
His eighth-wicket stand of 82 in 14 overs with Conor McKerr, who contributed a career-best 28 was ended when McKerr edged Tim Bresnan's outswinger to second slip. Adam Lyth parried the ball and Chet Pujara took the catch at first slip.
Jade Dernbach went for his shots from the start, lofting Steven Patterson over mid-off for four before bringing up Surrey's 400 by carving the incredulous Bresnan high over backward point for six.
On 14 Dernbach drove a slower ball from Patterson to Joe Root at mid-on and last man Amar Virdi was well taken at third slip by Jack Leaning, diving to his right, for a single. Pope's innings lasted five and a-quarter-hours and he his 27 fours from 224 balls faced while Bresnan and Patterson finished with three wickets apiece.
Yorkshire, who last lost this fixture 18 years ago, were in immediate trouble when they replied.
Alex Lees, brought into the side after skipper Gary Ballance pulled out through illness, edged his first ball - the second of the innings - from Dernbach and caught at second slip by Dean Elgar.
Lyth was squared up by Sam Curran in the fourth over to make Yorkshire 7 for 2 and Curran picked up his second wicket when Pujara was held low down at second slip by Scott Borthwick for 17. The Indian opener waited for confirmation that the ball had carried before departing.
When the players came off Yorkshire captain Joe Root was 14 and Harry Brook 1 not out.