The weeks just after Roland Garros are some of the most understatedly enjoyable in tennis. With the end of spring, clay turns to grass, and over the course of 24 hours, the sport is transformed. Sliding is out, serving is in, and there’s a new, clipped, quiet cadence to the game.

There’s also, on the men’s side, a new sheriff on tour. As has been the case for the last 13 years, Roger Federer picked up the baton from Rafael Nadal this week. The Swiss followed the Spaniard’s 11th win on clay at the French Open by starting his own drive toward his ninth win on grass at Wimbledon. With his title in Stuttgart this weekend, he has already taken the No. 1 ranking back from Rafa.

Federer is in action again this week in Halle, where he leads one of four small, strong pre-Wimbledon fields. Here’s a look at what’s at stake at those events, and how they may play out.

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*Halle, Germany

$2.45 million; 500 ranking points

Grass

Draw is here*

How do you say La Décima in German? Zehnte? Whatever the ordinal is, Federer will go for his own 10th title at one tournament this week at the Gerry Weber Open. Looking at his history here, his current form, and the opponents he’s drawn, there doesn’t seem to be much standing in his way.

Last year, Federer came here having lost his first match of the grass season, in Stuttgart. This year he comes in having won that tournament, and there’s no one among his early opponents who seems likely to derail his momentum. Federer will start against Aljaz Bedene, play either Benoit Paire or Steve Johnson in the second round, and could face Philipp Kohlschreiber in the quarters.

If the seeds hold, though, things will get interesting next weekend. Federer could face the game’s two Nexts, Dominic Thiem and Alexander Zverev, in the semis and final. Will Thiem’s run to the Roland Garros final carry over on grass? And will Zverev’s disappointing quarterfinal final finish there do the same?

First-round matches to watch: Zverev vs. Borna Coric; Lucas Pouille vs. Stefanos Tsitsipas

*London

$2.45 million; 500 ranking points

Grass

Draw is here*

While the name has changed, much remains the same around the Queen’s Club grounds. The prize money and ranking points are both similar to Halle’s, and the field is also of similar quality. While Queen’s lost Nadal to withdrawal, it gained Novak Djokovic (wild card) and Andy Murray (a last-minute entry) over the past week. Unfortunately, Murray’s entrance could mean the exit of another marquee name: He plays Nick Kyrgios in the first round. The Brit is 5-0 against the Aussie, though if Kyrgios is ever going to get on the board, this would seem to be the time. Murray is making his return after 11 months away, and he says he still feels pain in his surgically repaired hip.

Even if Kyrgios or Murray don’t last long, this is a solid field from top to bottom. Marin Cilic, David Goffin, Sam Querrey, Kyle Edmund, Tomas Berdych are among the Top 8 seeds. But the list of unseeded players—Djokovic, Murray, Kyrgios, Stan Wawrinka, Milos Raonic, Denis Shapovalov—may be more eye-popping.

First-round matches to watch: Murray vs. Kyrgios; Djokovic vs. John Millman; Wawrinka vs. Cameron Norrie; Frances Tiafoe vs. Jared Donaldson

My Tennis Life—Jared Donaldson prepares for Wimbledon:

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*Birmingham, England

$871,028; Premier

Grass

Draw is here*

Rather than playing at this week’s event in Mallorca, in her native Spain, defending Wimbledon champ Garbiñe Muguruza heads north for the second straight year to begin her grass campaign. You can’t argue with success: Last June she reached the semifinals in Birmingham before rolling to the title at The All England Club.

If Muguruza goes deep here again, it will be a good sign; Birmingham is loaded. Elina Svitolina, Karolina Pliskova, Petra Kvitova, Julia Goerges, Daria Kasatkina, Elise Mertens and Coco Vandeweghe round out the seeds. Like Queen’s Club, the list of the unseeded players—Johanna Konta, Ashleigh Barty, Naomi Osaka, Kiki Mladenovic, Magdalena Rybarikova, Petra Martic, newcomer Mihaela Buzarnescu—would make for a pretty fair field of its own.

First-round matches to watch: Konta vs. Kvitova; Muguruza vs. Anastasia Pavlyuchenkova; Pliskova vs. Rybarikova; Vandeweghe vs. Martic

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*Mallorca, Spain

$350,000; International

Grass

Draw is here*

It’s a mad scramble to get in some playing time on grass. So much so that even a newer, International-level event like Mallorca can put together a name-brand draw that includes Angelique Kerber, Victoria Azarenka, Caroline Garcia, Anastasija Sevastova, Anett Kontaveit, Carla Suarez Navarro, and—for fans in the U.S. in particular—Danielle Collins.

First-round matches to watch: Garcia vs. Su-Wei Hsieh; Sevastova vs. Svetlana Kuznetsova; Lucie Safarova vs. teenager Marta Kostyuk; Azarenka vs. Aleksandra Krunic

My Tennis Life—Lucie Safarova prepares for Wimbledon: