Daniil Medvedev has insisted he is "not that worried" about his recent form, despite being stunned in the first round of Wimbledon on Monday.

He entered the tournament as the ninth seed but slumped to a 7-6 (7-2) 3-6 7-6 (7-3) 6-2 defeat to Benjamin Bonzi.

It was the second consecutive grand slam that Medvedev has been knocked out in the first round, having also been beaten in his Roland-Garros opener by Cameron Norrie, while he exited the Australian Open in the second round.

Medvedev has now lost three consecutive grand slam matches for the first time in his career.

The Russian has already dropped out of the top 10 once this year, slipping to 11th after being knocked out of the Miami Open, though he made a return following the French Open.

Medvedev noted that a big slip down the rankings might cause some worry towards the end of the year, but having recently reached the Halle Open final, which he lost in straight sets to Alexander Bublik, he is not panicking just yet.

"I had a great week of preparation because I come in with confidence after Halle," said Medvedev. "I literally won every practice set I played. But it doesn't matter. It doesn't matter for the match. The match is a new story.

3 - Daniil Medvedev has lost three consecutive Men’s Singles matches at Grand Slam events for the first time in his career. Upset.#Wimbledon | @Wimbledon @atptour @ATPMediaInfo
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"It's not panicking. But I was really worried after Hertogenbosch [where he lost in the quarter-finals to Reilly Opelka]. It was a lot of losses.

"For me, it's a matter of confidence. Again, I come back to this Halle tournament. If it would not be there, I would be here and say, 'Look, something is definitely missing'.

"But no, just a matter of couple of matches, win matches. I feel like this year, I lost a lot of close calls. When I start winning them, I can go up the rankings.

"For the moment, I'm not that worried. If I finish the year somewhere around 15 in the world, maybe I will be more worried. For the moment, I am not."