Wales saw its hopes of Euro 2020 qualification taken out of its own hands as it could only draw 1-1 at home to Group E leaders Croatia.
Fourth in the pool heading into a crunch clash in Cardiff following a slow start to the campaign, Ryan Giggs' men suffered another setback on Sunday as they trailed to Nikola Vlasic's early goal.
Gareth Bale struck shortly before half-time to lift Wales, yet it could not get the crucial second goal and was forced to settle for a point.
Wales now likely requires a helping hand from opponent Croatia when it faces Slovakia, with the World Cup finalist itself still to secure a place at the finals after failing to win here.
Croatia took control from the outset and had to wait just nine minutes for the opener, with Josip Brekalo dancing in from the left and Bruno Petkovic teeing up Vlasic to shoot low past Wayne Hennessey via the left-hand post.
Only a stunning, stooping Hennessey save denied Ivan Perisic a quick second with a 12-yard header, although a stoppage for Dan James to receive treatment for an apparent head injury slowed the visitor's momentum.
Wales continued to toil until the vital equaliser arrived from a predictable source three minutes into the consequent added period, as Ben Davies picked out Bale to fire beyond Dominik Livakovic.
The home side improved following the restart but chances were at a premium, with only a shaky Livakovic fumble from James' drive offering the Welsh fans any real excitement in front of goal.
A combative match took its toll in the closing stages, too, as Luka Modric was substituted with an injury and Bale ended the contest hobbling badly.
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The fates of these two sides are now surely intertwined, as Wales can only qualify if Croatia also does so, stopping Slovakia. Both teams would expect to win their remaining fixtures and advance, but Giggs' men have slipped up too many times already in this group for progression to be considered a given at this stage.
Davies desire turns contest
A draw was a relatively disappointing result for Wales, but it might have come away empty-handed had Davies not intervened. For while Bale got the leveller, it did not look like coming until the determined defender charged forward - injuring Mateo Kovacic in the challenge - and slid in his clinical colleague. Davies was effective at both ends throughout.
Rugged Croatia pays the price
Wales was unimpressed with some rough challenges from its opponent, as James and Ethan Ampadu were both hit hard - the latter had to be substituted. But the numerous flashpoints also cost Croatia, with centre-backs Domagoj Vida and Dejan Lovren each picking up bookings that will keep them out of their key meeting with Slovakia. Joe Allen is out of Wales' next match following his own yellow card.
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