Jakub Mensik beats Joao Fonseca 6-4 6-3 7-6 (7-3) in French Open quarter-finals
Czech will play second seed Alexander Zverev in semi-finals
German Zverev defeats Spanish teenager Rafael Jodar 7-6 (7-3) 6-1 6-3
Marta Kostyuk dedicates match to Ukraine after she beats compatriot Elina Svitolina 6-3 2-6 6-2 to reach first major semi-final
Kostyuk will face Russia's Mirra Andreeva after eighth seed beat Sorana Cirstea 6-0 6-3
*Jodar 6-7 (3-7) 1-6 0-2 Zverev
Rafael Jodar was moving along the baseline with so much energy in the opening set but he's struggling to make up the ground now.
Alexander Zverev sends a forehand into one corner before targeting the opposite side and Jodar is nowhere to be seen.
Zverev consolidates his break with a straightforward hold to 15.
Image source, Getty ImagesJodar 6-7 (3-7) 1-6 0-1 Zverev*
Alexander Zverev wins his sixth game in a row.
Rafael Jodar's dream run appears to be coming to a very abrupt finish.
*Jodar 6-7 (3-7) 1-6 0-0 Zverev
Ryan Harrison
Former French Open men's doubles champion on BBC Radio 5 Sports Extra
Zverev is trying to run away with this lead, like he did in the second set.
*Jodar 6-7 (3-7) 1-6 0-0 Zverev
Alexander Zverev has won three of his four matches at this year's French Open in straight sets. It's looking very likely he seals another victory in that fashion.
Zverev steps up to mid-court and strokes a forehand into the corner for a 30-0 lead against serve.
The German earns two opportunities at break point when Jodar's forehand strays long.
*Jodar 6-7 (3-7) 1-6 0-0 Zverev
A complete contrast to the opening set when Rafael Jodar and Alexander Zverev each picked up a break and then battled through a tie-break.
There was tension and intrigue, but Jodar just seems to be struggling in his first Grand Slam quarter-final as Zverev's experience is shining through.
*Jodar 6-7 (3-7) 1-6 0-0 Zverev
Rafael Jodar can't make it count.
Alexander Zverev saves and then presses on to wrap up the set with an ace.
Image source, Getty ImagesJodar 6-7 (3-7) 1-5 Zverev*
It's difficult to see how Rafael Jodar gets back into this match now as Alexander Zverev closes in on a two-set lead.
Zverev looks much fresher.
Actually, Jodar might have just found a second wind. The Spaniard gets his first opportunity to break in this set.
Jodar 6-7 (3-7) 1-5 Zverev*
Rafael Jodar gathers himself after disputing that call and saves the first break point.
But a perfectly placed drop shot from Alexander Zverev asks far too much of Jodar and he can only return into the net.
Zverev will serve for the set.
*Jodar 6-7 (3-7) 1-4 Zverev
It's worth remembering that Alexander Zverev has played around four hours fewer of tennis than Rafael Jodar at this tournament.
Zverev has won three successive games. Is his freshness now starting to come to the fore?
A laboured backhand down the line from Jodar crashes off the net post as he trails 30-15. Jodar shows he still has some running in those legs as he meets Zverev's drop shot but the German returns long.
Actually, the umpire overrules the call and says Jodar's return was wide. Two break points for the German.
*Jodar 6-7 (3-7) 1-4 Zverev
No major issues for Alexander Zverev as he consolidates that break with a routine hold to 15.
The German second seed is starting to move through the gears now.
Image source, Getty ImagesJodar 6-7 (3-7) 1-3 Zverev*
Ryan Harrison
Former French Open men's doubles champion on BBC Radio 5 Sports Extra
The moment Zverev saw an opportunity to go for it, he crushed it. You can see the work he has been doing in training this season is doing dividends.
Jodar 6-7 (3-7) 1-3 Zverev*
Rafael Jodar was on the back foot from the very start of this game and he eventually folds under the pressure.
Alexander Zverev is a set and a break up.
Some very important games on the horizon in this match.
*Jodar 6-7 (3-7) 1-2 Zverev
Alexander Zverev has another opportunity.
*Jodar 6-7 (3-7) 1-2 Zverev
Ryan Harrison
Former French Open men's doubles champion on BBC Radio 5 Sports Extra
Zverev has broken his shot tolerance a bit. He is hesitating more than he was earlier on.
*Jodar 6-7 (3-7) 1-2 Zverev
Rafael Jodar clenches his fist and raises it in the air to celebrate. A huge sense of relief as he saves the break.
The crowd certainly seem to be on the teenager's side as he arcs a forehand winner down the line for advantage.
Alexander Zverev refuses to let this game pass him by that easily, though, as they go to deuce.
*Jodar 6-7 (3-7) 1-2 Zverev
Alexander Zverev puts Rafael Jodar under some early pressure as he moves 30-0 in front against the serve.
But Jodar responds perfectly and the crowd get behind him when a forehand winner lands down the line. Jodar draws level when Zverev launches the ball high in the air and it ends up hitting the roof.
But Jodar can't keep the run going and has a break point to defend.
*Jodar 6-7 (3-7) 1-2 Zverev
Alexander Zverev seems to be taking a little more time before each serve now - maybe he just wants to slow the tempo of this match a little.
There's a debate over whether he lands an ace to seal a hold to 30 but the umpire is down from her chair to check and it's deemed wide.
No bother, Zverev gets the hold on second serve.
Image source, Getty ImagesJodar 6-7 (3-7) 1-1 Zverev*
Alexander Zverev was a little unhappy with a pile-up of clay at the baseline in the previous game and it looks like the ball has just taken an awkward bobble as he completely misses with a forehand.
Rafael Jodar glides through the service game. A 105mph forehand makes it 40-0 before Zverev puts into the net.
Image source, Getty Images*Jodar 6-7 (3-7) 0-1 Zverev
It's a great start from Rafael Jodar to lead 30-0 against the serve but Alexander Zverev quickly settles back down and hits an overhead volley to halve the deficit.
Zverev picks up four successive points, finishing with a crashing forehand winner, to hold.
Jodar 6-7 (3-7) 0-0 Zverev*
How does Rafael Jodar react now? The Spaniard looked firmly in control of the opening set at one point but now finds himself chasing this match.
Alexander Zverev is on serve to get the second set under way.
