はびこる Tsitsipas 告発（する），告訴（する）／料金s into Open 半分s
Stefanos Tsitsipas has 告発（する），告訴（する）／料金d into his fourth Australian Open 半分-final in five years as he chases an elusive 打開 （野球の）満塁ホームラン，（テニスなどの）グランドスラム 肩書を与える.
Tsitsipas worked his way through the gears against Jiri Lehecka on 棒 Laver 円形競技場 on Tuesday night to bring the young Czech's fairytale run to a grinding 停止（させる） with an impressive and 円熟した 6-3 7-6 (7-2) 6-4 victory.
The No.3 seed is the highest-階級d player left at Melbourne Park and will 直面する ロシアの Karen Khachanov for a 位置／汚点／見つけ出す in the final.
"It felt different this time from any other match but the most important thing is I 設立する a 解答," Tsitsipas said.
"It was a very difficult three-setter, one of the most difficult ones I had so far in the 競争.
"I had to を取り引きする the ground 一打／打撃s, they were coming over the racquet from the other 味方する of the 法廷，裁判所 much heavier, much deeper.
"So that was a 仕事 in which I really had to put my heart out there and give it my best."
Tsitsipas reeled off the first 始める，決める in just 36 minutes and looked in ominous form.
To Lehecka's credit, the 21-year-old, who 以前 accounted for Felix Auger-Aliassime and Cameron Norrie, took it up to the Greek 星／主役にする in the next 始める，決める.
But Tsitsipas kicked up a gear, reeling off the first four points of the tiebreak and （人命などを）奪う，主張するing the 始める，決める comfortably.
"The way I saw it, that was my 適切な時期 to really take a 大規模な lead there and I'm really happy with the way I の近くにd the second 始める，決める," he said.
Lehecka earned three break points at 3-3 in the third 始める，決める but Tsitsipas showed impressive composure to 運ぶ／漁獲高 支援する the game and take the lead.
But he lamented a moment at 4-3 when out of 失望／欲求不満, he 攻撃する，衝突する the ball into the 支援する 塀で囲む, a couple of metres away from an 前進するing ball kid, 危険ing a default if he'd 攻撃する，衝突する them.
"I'm a professional tennis player. I was not 目的（とする）ing for the ball kid 明白に. I saw the 塀で囲む, just went 支援する に向かって the 塀で囲む," he said.
"The ball kid, in my 注目する，もくろむs, was pretty far away from me. Would have really had to 行方不明になる to 攻撃する，衝突する that ball kid.
"Of course, it's not nice even to 攻撃する，衝突する it 支援する に向かって the 塀で囲む. I 本人自身で don't think I 攻撃する，衝突する it too hard. But doesn't 事柄. Doesn't 事柄.
"What I did, definitely I'm not happy about that. I shouldn't have done it."
The 24-year-old earned his first match point when receiving at 5-4 in the third 始める，決める and 変えるd it.
Tsitsipas will next take on 18th seed Khachanov, who was 主要な Sebastian Korda 7-6 (7-5) 6-3 3-0 when the American retired with a wrist 傷害.
