Stefanos Tsitsipas was pressured to start out his personal pest management operation on the Cincinnati Open on Wednesday after the Greek star accused a spectator behind him of impersonating a bee when he tried to serve.

The world No. 4 superior from his second-round match towards Ben Shelton after edging the American out 7-6, 7-6 on two tie-breaks in a match that lasted 1 hour and 43 minutes.

But throughout the second set, Tsitsipas appeared to attempt to swat away an insect when making ready to serve on a few events earlier than lastly taking the matter into his personal palms.

Approaching the chair umpire, the official requested the Greek star: "What's wrong?" Tsitsipas replied: "There's a person imitating a bee behind me."

"Oh yeah? I'll take care of it," responded the umpire.

Tsitsipas added: "It's a buzz right before I serve. You think that's OK?"

Keen to make his distractor buzz off, the Greek star then headed to the stand behind the courtroom in an effort to hunt out the insect impersonator.

After interviewing the gallery himself, a lady sitting on the entrance row is established because the wrongdoer, prompting Tsitsipas to return to the chair umpire, who requested: "Do you know who it is?"

Tsitipas replied: "It has never happened in my career. I know they're supporting the [other player]."

A by now intrigued Shelton then came to visit and requested his opponent: "What's happened? Are they speaking to you?"

Tsitipas advised him: "No they're imitating a bee. They're buzzing. Bzzzz."

After the chair umpire requested once more if Tsitipas knew who the buzzing spectator is, he confirmed: "It's the lady over there. I want her out. She needs to go."

Keen to take the sting out of the state of affairs, the umpire mentioned: "I'm going to ask her to stop," earlier than reassuring Tsitipas that if she does it once more he ought to come straight again to him.

The weird unfolding of occasions appeared sufficient to carry the courtside pest below management as the lady in query lastly apologised to the Greek and play ultimately resumed.

Despite having to barter the kind of hazard usually reserved for beekeepers, Tsitipas was glad together with his general show towards Shelton in a straight-sets win.

Speaking after the match, the 25-year-old mentioned: “He’s [Shelton] still relatively young and he has that free spirit in the way he approaches his game.

“It came down to two tiebreakers and I was very confident if I made a few returns back and got him to rally a bit, things might go my way, and it ended up so. I was tough, for sure. I was tough as nails, and that gave me the win today.”

Tsitipas will now face Hubert Hurkacz subsequent in Ohio, who introduced Borna Coric's Cincinnati Open title defence to an finish within the second spherical.