At full-time, he doubled-down on his criticism, saying England "got what they deserved" in the game.
"It's unbelievable, " the 30-year-old Ondrasek said. It's a very important victory and I'm grateful for it. "I just wanted to hit the ball right and put it in the net. It's a great win and great feeling".
He also played a delightful through ball past the Czech Republic defence and striker Kane was unable to make the most of it.
Kosovo is four points back in third, while Group A strugglers Bulgaria and Montenegro drew 0-0.
Jack Wilshere was always regarded as England's midfield saviour when he emerged as a youngster at Arsenal, but injuries and loss of form have made him a forgotten man on the worldwide stage.
A 2-1 defeat is far from terminal for their chances of qualifying. "We bring our club football into global level", he said and that applies to him, at the heart of a struggling Manchester United team who are down in 12 place in the Premier League, his central defensive partner on the night, Michael Keane, with Everton dropping into the bottom three and with Danny Rose at Tottenham Hotspur who have their own problems.
Gareth Southgate is considering returning to the three-man defence that helped England reach last summer's World Cup semi-finals.
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The 38-year-old Swiss now faces Alexander Zverev after the German came through 6-0 7-6 (4) against Russian opponent Andrey Rublev. Medvedev took a tense and nervy opening set on a tie-break and broke early in the second to seize control of the contest.
Barkley looked risky on the ball unlike so many of his lacklustre teammates and has surely given himself a great chance of playing away to Bulgaria on Monday. That was because of giving the ball away.
"But we conceded too many poor chances and conceded possession too often".
England opened the scoring with Harry Kane's penalty after just five minutes in the European Championship group stage qualifier.
It was Kane's seventh goal of the campaign, taking his global tally to 27. It was a similar story for fellow centre-half Michael Keane, who - like Everton teammate Jordan Pickford - has suffered four consecutive Premier League defeats and was caught out at the back post for Jakub Brabec's equaliser in the first half. We've talked about it throughout the week and we've had evidence of it tonight.
In the second half, Czech goalkeeper Tomas Vaclik denied both Sterling and Kane one-on-one.
But right now, England are too predictable and too easy to play against.