Britain's defending men's wheelchair champion Alfie Hewett started his French Open campaign with a 6-1 6-2 win over Dutch opponent Tom Egberink.
Top seed Hewett, who received a bye to the quarter-finals, quickly built up a lead in the first set.
The second set saw the pair trade five breaks before Hewett held his serve to progress to the semi-finals.
Hewett, 24, faces Argentine third seed Gustavo Fernandez in the last four, but Gordon Reid lost to Tokito Oda.
Reid, 30, was beaten 6-1 6-4 by the Japanese player.
The Scot partners Hewett in the doubles, where they have received a bye to the semi-finals.
The pair have won 14 Grand Slam doubles titles together, including a calendar Grand Slam in 2021 when they won all four major titles.
In the quad wheelchair doubles, second-seeded Briton Andy Lapthorne, partnering American David Wagner, lost to Australia's Heath Davidson and Ymanitu Silva from Brazil 1-6 6-4 1-0 (10-8).