ATP Tour Finals results and round-robin scenarios: Alcaraz, Sinner and the year-end No. 1

Alcaraz and Sinner were locked in a battle for top spot in the ATP Tour rankings, but Alcaraz took it during the round-robin ...
Sportcal on MSN

Saudi exits ATP Next Gens Finals hosting deal, WTA Finals looks to extend

Saudi Arabia also has a hosting contract in place for the women’s WTA Finals until at least 2027, and its Public Investment ...
ESPN

ATP Tour switches to a 22-month cycle ranking system because of coronavirus shutdown

On Monday, the ATP announced the revisions it is making in the rankings system due to the lengthy suspension of official tournament play caused by the coronavirus pandemic. The tour's ranking system ...
Tennis

22-month cycle: ATP announces new rankings procedure when play resumes

When the ATP tour starts back up in August, players will be able to compete without the immediate pressure of defending strong results at events like the US Open, Roland Garros and ATP Finals. On ...
JSTOR Daily

Oscillations in photosynthesis are initiated and supported by imbalances in the supply of ATP and NADPH to the Calvin cycle

Oscillations in the rate of photosynthesis of sunflower (Helianthus annuus L.) leaves were induced by subjecting leaves, whose photosynthetic apparatus had been activated, to a sudden transition from ...
ESPN

ATP Tour switches to a 22-month cycle ranking system because of coronavirus shutdown

Peter Bodo has been covering tennis for over 35 years, mostly recently for ESPN. He is a former WTA Writer of the Year and the author of numerous books, including the classic "The Courts of Babylon" ...