Williams has opted to wear a striking yellow and grey dress for this tournament, accompanied by yellow trainers. And the top seed's form so far in this match resembles her attire; a mix of the dazzling and, some would say, dull. Williams overcooks a forehand into the corner and the crowd cheer heartily for the home favourite as she holds with little trouble.

The warm-ups is over, the sun is playing hokey-cokey and drooping flags suggests there's a stillness in the air. Williams open with an unreturnable serve. A faulty backhand volley from Williams for 30-15, and Kim takes her opponent to 30-30. Slow claps from the French crowd. But Williams comes through, those unforced errors not hampering her progress, and it's a hold to 30 for the American.

Alize Lim, external posted a selfie of herself with Serena Williams on Thursday night, before the pair knew they'd be facing each other in the first round. There's no sign of such camaraderie on the court today. The partying is over and Williams looks ready for business.

Warm applause for Serena Williams as she appears on Philippe Chatrier. For those of you interested in fashion and such things, Williams is wearing a grey jacket which is hiding a bumblebee yellow top.

Serena's sister, Venus, is currently on Suzanne Lenglen and is 5-3 ahead in the first set against Belinda Benic. Benic, a 17-year-old from Switzerland, is the junior world number one and is coached my Martina Hingis's mum. Former world number one Hingis is, in fact, watching the contest on Lenglen.

If you want to know about other latest scores and results then help is at hand thanks to the BBC Sport live scores page. There is also a complete run-down of the day's results for you to peruse.

Our attention will soon turn to defending champion and top seed Serena Williams, who will take on home favourite Alize Lim. Many would predict a straight-sets win for the 17-time Grand Slam champion, but Williams did lose in the first round at Roland Garros back in 2012 and history can repeat itself, though unlikely on this occasion.

Federer returns to his chair and puts on a navy jacket before returning to the net to answer some questions. The smiling Swiss says he's satisfied with his performance and is content, adding that it is great to be back in Paris. It's all said in French, though, and unfortunately GCSE French only takes you so far in this world.

An ace from Federer, full of slice and dice, brings up three match points for the former champion and the Swiss is ruthless - boom, boom - a serve out wide followed up with a brutal forehand winner. Game over. Federer marches on.

Image source, Getty Images

Ironic cheers from the crowd on Chatrier as Lacko draws level at 30-30 thanks to a winning forehand. Federer squanders one match point as his forehand grazes the net and bounces long, but more match points will come his way. Or will there?

Advantage Lacko, but Federer runs around to his forehand and Lacko nets a forehand for deuce. Guile from Lacko, though, who delicately places a backhand drop shot beyond Federer and he secures the game with little fuss.

Federer serving and volleying with aplomb and an ugly-looking screwed forehand return from Lacko allows the Swiss to hold to love. Federer a game away from winning this match.

Jamie Scott:, external Belinda Bencic v Venus Williams has just got under way: the future of the WTA versus its past.

A wincing Lacko looks skywards, perhaps hoping for some inspiration as he prepares to serve when a break point down. No help arrives for the Slovakian and he seems now to have given up the fight.

Federer untroubled on his own serve and, fittingly, adds further daylight between himself and his opponent, just when the sun decides to peek between the clouds.

Lacko clinging on, not quite ready to wave the white flat. A hold to love, but there's a sense of inevitability about this match and the hush of the crowd suggests they already know the outcome, and know there won't be a twist to this tale.

A hold to 30 for Federer, with Lacko gifting the game to the Swiss by failing to return a stinging serve. Lacko will probably be spending the rest of the week taking selfies with various Parisian landmarks in the background.

Russell Fuller
BBC tennis correspondent on Court Philippe Chatrier

"Two of the four Federer twins were briefly in the house to watch Dad Roger ease his way very gently into his 16th consecutive French Open.

"We have seen the occasional serve and volley and the odd sliced forehand from the 2009 champion, who is not being remotely threatened by a man who has not won a match on clay for three years."

Lacko drinking in the last chance saloon. He has one final opportunity to make an impression on this match and starts the third set confidently, nudging 40-30 ahead on his serve with his third ace of the match.

At the other net of the net, though, is the greatest of the greats and the 17-time Grand Slam champion forces the game to deuce with an unstoppable driving forehand into the corner.

Poor Lacko. Poor, poor Lacko. Break point Federer but the fourth seed fails to turn the screw, a forehand drifting fractionally wide. But Lacko surrenders with a whimper - double fault - and it's the perfect start for Federer in this set.

Over on Court Suzanne Lenglen, eighth seed Milos Raonic has seen off Nick Kyrgios 6-3 7-6 6-3. That means Venus Williams will be on next, she will be taking on Switzerland's Belinda Bencic.

If you want to know what's happening away from Court Philippe Chatrier then help is at hand with the BBC Sport live scores page. There is also a complete run-down of the day's results for you to peruse.

Image source, AP

Dom Breslin:, external Impressive start from Federer. Serving well and supreme at the net. Promising. Would be incredible should he win the title.

Charlie Clinton:, external My prediction for RG: NOT Rafa. Wawrinka cannot be ruled out, but Djoko has to be the favourite.