Miami SF preview and prediction: Del Potro vs. Isner

It was John Isner who stopped Juan Martin Del Potro one match short of a berth in the 2017 Nitto ATP Finals. Will it be Isner who prevents Del Potro from capturing the Indian Wells-Miami Sunshine Double?

The Argentine, who is coming off consecutive titles in Acapulco and Indian Wells while enjoying a current 15-match winning streak, is now set for a Miami Open semifinal showdown against Isner on Friday. Del Potro leads the head-to-head series 6-3, but Isner has won three of their last five meetings after most recently prevailing 6-4, 6-7(5), 6-4 at the Paris Masters last fall. They previously faced each other in 2017 at the Rogers Cup in Montreal, where Del Potro improved to 4-1 lifetime against Isner on outdoor hard courts by getting the job done 7-5, 7-5.

Nobody–not just Isner–has found much success against Del Potro of late. The world No. 6 went 20-5 in his last 25 matches during the 2017 campaign and he is 21-3 so far this season. Del Potro beat three top-10 opponents (Dominic Thiem, Alexander Zverev, and Kevin Anderson) in Acapulco, upset Roger Federer in the Indian Wells final, and has advanced so far in Miami with victories over Robin Haase, Kei Nishikori, Filip Krajinovic, and Milos Raonic–the latter in a 5-7, 7-6(1), 7-6(3) thriller on Wednesday night.

“I always think this may be my last match (of the tournament), so I put in a lot of effort to give myself a chance to win,” Miami’s fifth seed commented. “I’m pleased with my level of tennis and all my success, but of course I’d like to reach the final.”

“Del Potro is playing the best tennis in the world right now,” Isner praised. “I don’t think that can be argued.”

Arguably no one, however, has been better than Isner so far this fortnight. The 6’10” American dropped one set to Jiri Vesely in his opener while struggling with an apparent groin issue, but he picked up the pace to take down Mikhail Youzhny, Marin Cilic, and Hyeon Chung in straight sets while playing only one tiebreaker–and winning it 7-0 over Cilic.

“This is actually the best I’ve moved all year,” Isner said following his 6-1, 6-4 quarterfinal rout of Chung on Wednesday afternoon. “That’s not working harder, or training harder off the court; that’s just from me being more confident on the court. More than anything it’s all between the ears…. The way I (have) played this week is a lot of fun.”

The world No. 17’s previous struggles (a 2-6 record this season prior to Miami) kept him well-rested for this fortnight, whereas his opponent is clearly running on fumes. Del Potro cannot expect to get the same kind of service gifts in the semis that he got from Raonic in the two tiebreakers and early in the third set. Isner has been broken just once in his last three matches and has faced only one break point in his last two outings. Moreover, his favorite shots are a kick serve out wide to the backhand side and an inside-out forehand–both of which exploit Del Potro’s weaker side.

This will undoubtedly be competitive, but a fresher Isner should have an easier time coming up with the goods on serve during the latter stages of each set.

Pick: Isner in 2

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29 Comments on Miami SF preview and prediction: Del Potro vs. Isner

  1. Isner beats Chung whom doesn’t have a serve and all of a sudden he can beat a hot Delpo with grand slam pedigree in the semis of a Masters in Miami, close to his home. The bookies will love you.

  2. Isner can steal a set (+1.5 sets Isner) because of his super powerful serve and volley fueled by the huge home crowd support.

    Isner being the lone American standing, is fighting hard to keep the American Flag flying and also fighting to get into TOP 10. With so many motivating things to play for…Isner will be close to playing with all the “drugs of the world” in his veins and steal a set {+1.5 sets Isner(fav)} and push the over.

    I won’t be surprised if Isner beats Delpo tomorrow.

    I won’t be surprised if Isner beats a tired (I think his gas tank came down from 40% to 20% after Raonic took him to 3 tight sets with 2 tiebreakers in the 2nd and 4rd sets.). With 20% gas tank, i don’t think DelPo can win even if all:-

    1) All the Argentinian fans wear the soccer blue & white striped shirts

    2) Even if all the latino fans shout/sing at the top of their voice(until it becomes hoarse and finally no sound comes!lol) and sing the below chant….

    ole ole ole ole Delp-oh Delp-ho

    ole ole ole ole Delp-oh Delp-ho

    ole ole ole ole Delp-oh Delp-ho

    ole ole ole ole Delp-oh Delp-ho

    No offense to anybody as I am a big DEL PO fan…who joins the chant of his fans on court and bets big on DelPo most of his Tennis life(since I got into tennis!lol)!

    Like +1.5 sets Isner(fav), over can hit, Isner ML possible

  3. Cilic and Chung did added very little resistance to Isner, wheras Milos took Del Potro to the limit, so that may be the deciding factor…Del Potro unable to rise to the occassion of a tit for tat just hard annoying matchup that Isner is. But Del-Po is the better player so I really don’t know.

  4. Delpo is a good level above anyone that one-weapon Isn’t-ner has faced yet.

    #Del-PO-BOOM-Aye!
    #MakeTennisGreatAgain
    #FDT
    #Impeach

    • Hahaha, Isn’t-ner! That’s a great one, Hawks, I must say… I’m sure that Isner is friendly fellow to be around and all, but I just can’t in good conscience support anyone who openly supports Donald Trump… That includes but is not limited to Isner, Ryan Harrison, and Coco V. Actually, now that I of it, are there any well-known American players who are not openly in support of Donald Trump’s policy and beliefs?

      Anyway, from a tennis standpoint, that was definitely an impressive win over Del Po by Isner.

  5. Delpo to win because:
    • Better Movement
    • Bigger forehand
    • 15 match winning streak
    • Has a mental edge and knows how to finish out tough close matches e.g IW- Fed, Miami- Raonic
    • Crowd loves Delpo even though Isner is American

  6. Oh my lord Isner is absolutely hammering the ball. Literally spanking groundstrokes past Del Potro. Including backhands 😳

    • Joe Smith

      i a latino mexican and delpo fan for life.

      I lose. Rellik lose(always…as he posting losing picks for bookies.).

      Marlon MARCH 30, 2018 AT 4:43 PM
      Rellik are you backing Delpo?

      REPLY
      Rellik MARCH 30, 2018 AT 5:12 PM
      Yes

      are u blind Joe Smith?

      Big Al, Ben roger etc. etc. and 1/2 the world also backed Isner win directly or indirectly. u don’t read posts here?

      just one example for u

      Big Al MARCH 30, 2018 AT 11:33 AM
      I’ve been backing Isner,Zverev and Stephens all week so I’ll stick with the winning formula.

      read all posts many more Isner lovers/backers Joe Smith

      • Easy, Miguel. I’m sure many correctly called Isner to win. I was only referring to this particular thread, and I admit I didn’t look carefully enough. Looking back up above, can see that Scoot Dimon agreed with Ricky on Isner in 2. No one else did.

        I was just trying to give Ricky some credit, that’s all.

          • Yes, I can see that.

            Honest question: why do people create multiple accounts? I guess I can kind of see why a bettor would want others to think he had a lot of supporters, but even that, I don’t really see the point. It’s not as if anyone on this site is winning money directly from someone else, like in a poker game.

  7. The statistics obviously told the story coming into this match. Delpo weak on the return of serve and Isner almost unbeatable on serve.

    • You say this like you knew of these stats and picked Isner even though you basically counted out Isner in an earlier post on the thread.

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