Western Australia left it late but made it count, cleaning up South Australia in the final session for an outright Sheffield Shield win in Adelaide.
The visitors were the superior side for long periods of the match but the 205-run victory wasn't confirmed until well into the last hour of play.
At 6-169 and with Liam Scott (34) and Nick Winter (4) digging in at Karen Ralton Oval, a draw looked possible but the home side lost 4-8 to hand over the match at 6.11pm local time.
South Australia dropped anchor in a dour final session but after Winter was caught by Sam Whiteman off the bowling of Ashton Turner (1-9), the end came quickly.
WA had declared at 2-215 (Shaun Marsh 110 not out) to start the day, setting SA the unlikely target of 382 to win.
Wickets fell at regular intervals for SA with first innings centurion Jake Weatherald (36) and Travis Head (54) providing the most starch.
The wickets were shared among six WA bowlers with Joel Paris (2-10) and Matthew Kelly (2-34) the pick.
Ashton Agar took 1-46 from 27 overs adding to a superb all-round match after scoring 114 not out and taking 5-103 in South Australia's first innings.
