David Goffin put the visitors ahead by beating Lucas Pouille in the opening singles before Jo-Wilfried Tsonga levelled for 1-1 when he defeated Steve Darcis in the second singles on Friday.
Last year's Wimbledon runner-up Tomas Berdych survived a major first-round scare at the Halle Open on Tuesday, saving three match points to struggle past 169th ranked Belgian Ruben Bemelmans 5-7, 7-6, 6-4.
Former world number one Justine Henin continued her comeback from a six-month injury absence as she inspired Belgium to victory over Kazakhstan at the Hopman Cup mixed team event on Tuesday.
Yuki Bhambri's maiden appearance at the French Open ended with a first round defeat as he lost his opening men's singles match to Belgium's Ruben Bemelmans in straight sets, in Paris, on Tuesday.
Australian Bernard Tomic has been fined $15,000 after post-match comments saying he had been "bored" during his first round exit from Wimbledon and had faked injury.
Prakash Amritraj began his campaign at the Hall of Fame Tennis Championships with an easy straight sets win over Flavio Cipolla, in Newport.
The 39-year-old German, awarded a wildcard for his 16th and final appearance at the All England Club, had to accept his body was "not cooperating anymore" as he slumped to a 6-2, 3-6, 6-3, 7-5 first-round defeat by Belgian qualifier Ruben Bemelmans.
Goffin's 6-3, 6-3, 6-2 triumph in front of a boisterous home crowd gave Belgium a 3-1 lead and sent them into a home semi-final against Australia who also wrapped up victory over the United States thanks to Nick Kyrgios's defeat of Sam Querrey.
France will meet Serbia in the semi-finals of the Davis Cup after both finished off their last-eight ties inside two days on Saturday but Australia and Belgium were made to sweat.
Brothers Jamie and Andy Murray claimed a tense four-hour doubles rubber against Australian pair Lleyton Hewitt and Sam Groth on Saturday to put Britain 2-1 up and on the verge of a first Davis Cup final since 1978.
Breaks, lighter schedules can help players improve, says Federer
A fired-up Andy Murray showed his class to draw Britain level with Belgium on day one of the Davis Cup final after David Goffin's escape act from a two-set deficit had given the hosts the lead in Ghent on Friday.
Former Wimbledon runner-up Eugenie Bouchard successfully negotiated the qualifying draw on Thursday, beating Colombian Mariana Duque-Marino 6-3, 6-2 to secure a spot in next week's main draw.
Unheralded British youngster Kyle Edmund faces a Davis Cup baptism of fire when he makes his debut in the final on Friday against Belgium's David Goffin in the opening rubber.
France won their 10th Davis Cup title when Lucas Pouille crushed Steve Darcis 6-3, 6-1, 6-0 to give the hosts a 3-2 victory in the final against neighbours Belgium on Sunday.
Belgium's chances of claiming a maiden Davis Cup title against hosts France remained intact after Friday's opening singles, in which David Goffin made a huge impression, were tied 1-1.
British pair Jamie Murray and Dominic Inglot defeated Canadians Daniel Nestor and Vasek Pospisil in four sets in Ottawa to give Britain a 2-1 lead ahead of Sunday's reverse singles.
Konta first British woman in US Open last 16 since 1991
Russian Daniil Medvedev, fresh from upsetting world number three Stan Wawrinka in the first round at Wimbledon, said he was now targeting a run to the last eight at the All England Club.
IMAGES from the matches played on Day 4 of the Wimbledon Lawn Tennis Championships at All England Lawn Tennis and Croquet Club on Thursday
The Swiss three-time grand slam champion was out-gunned by 21-year-old Medvedev, who had the Centre Court crowd on their feet as he pulled off a dazzling array of winners to wrap up a 6-4, 3-6, 6-4, 6-1 victory on his first Wimbledon appearance.
Images from Day 1 of the Wimbledon Championships.
The 36-year-old Swiss master needs only to reach the semi-finals at the ABN Amro tennis event to overtake Rafael Nadal at the top of the ATP rankings and become world number one for the first time since November 2012.
Serbia carved out a 2-0 lead over rivals Croatia while Britain led the US by the same score and holders Switzerland were tied with Belgium in the Davis Cup.
Novak Djokovic spurred Serbia to a 3-0 win over neighbours Croatia in the first round of the Davis Cup on Saturday and they will be joined in the quarter-finals by an equally rampant France.
Simona Halep and Stan Wawrinka beat the heat with straight-sets wins to reach the third round of a sweltering US Open on Thursday while American hope Jack Sock wilted under the punishing conditions, collapsing on court.
The 36-year-old Australian Open champion arrived in the Dutch port city at the weekend knowing a run to the semi-finals will move him ahead of Rafael Nadal in the ATP standings.
'You'd also be wrong if you tried to lump me in the same category as Bernard Tomic'
A round-up of results from Davis Cup matches played on Saturday and Sunday
A summary of sports events and sports persons, who made news on Friday.
A summary of sports events and persons who made news on Thursday.
IMAGES from the matches played at the PNB Paribas Open at Indian Wells on Sunday