Réjean Genois (born December 30, 1952) is a former professional and Davis Cup tennis player from Quebec City.
89 was the highest grand prix tour computer ranking for a Canadian until Glenn Michibata reached World No.
Genois played in the main draw of one tour event in 1973, the Quebec Grand Prix in October.
In doubles Genois and partner Richard Legendre, fellow Quebecer and Canadian Davis Cupper, fell in straight sets in the first round to the top-seeded pairing of Jimmy Connors and Marty Riessen.
He played doubles again too, losing in the first round partnering compatriot and fellow Davis Cupper Dale Power.
Genois competed in singles at the Taipei Grand Prix and won his first set in a tour match as he fell to American Chris Delaney 7–5, 5–7, 4–6.
He and partner Guillermo Oropez lost 2 and 1 in the first round to the legendary doubles pair of Bob Hewitt and Frew McMillan.
The week after the Asheville Challenger was held with Réjean reaching the second round in singles and taking the title in doubles, again partnering Benavides.
The following week Genois, according to the ATP's results archives, played in the Raleigh Challenger and Cincinnati Grand Prix events simultaneously, reaching the second round in both.
He continued his good run reaching the quarter-finals of the Virginia Beach Challenger held two weeks later.
Genois turned matters around somewhat winning his first ever singles match at the Canadian Open, as he defeated Briton Robin Drysdale 6–4, 6–0.
Genois played in this first main draw for the year in early May at the Raleigh Challenger on clay, and did well reaching the third round in singles.
In June Genois lost in the first round in both singles, to Stefan Simonsson, 5–7, 6–7, and in doubles, partnering Legendre, at Brussels Outdoor Grand Prix.
As in Paris the previous month, the experience lasted only briefly as Réjean was defeated by Robert Lutz, 3–6, 2–6, 2–6.
In July back in North America, Genois continued his losing streak going down to lucky loser entrant Juan Núñez, 1–6, 6–4, 4–6.
The following month Genois competed in what turned out to be his final main draw for the year at the Charlotte Challenger and fared well, reaching the quarter-finals in singles and the semis, partnering Ramiro Benavides, in doubles.
Genois competed in one event in a main draw, the San Luis Potosí Challenger in April.
Genois made one final appearance at the Canadian Open in 1982, losing his first round match to Juan Avendaño, 2–6, 4–6.
Played in Laval, Glenn Michibata narrowly lost the opening rubber, going down to former World top ten player Víctor Pecci in five sets.
This set up a singles encounter between Genois and veteran, former World top fifty player, Francisco González.