Llandeilo began life in Division Three West with a spring in their step following a valuable 16-10 home win over Morriston.
The promoted outfit had fly-half Kelvin Davies, who also kicked two penalties and centre Glyn Jones to thank for tries in either half.
There was a clean sweep of home wins in the rest of the league with Crymych, Lampeter Town, Laugharne and Penclawdd all getting off to a flying start.
It was the same scenerio in Division Two West where the home side's ruled.
Waunarlwydd beat Mumbles 25-15 after tries from hooker Lee Brooks and full-back Johnny Lewis together with five penalties from fly-half Jonny Davies sealed the win.
Loughor started the season on a winning note by defeating Pencoed 19-14.
The hosts took control and a commanding 11-3 interval and edged home thanks to tries from wing Liam Hedges and scrum half Steven Wake.
Fly half Ben Davies scored nine points but Pencoed opposite number Mark Davies went two better by contributing 11 points with a try and two penalties. But his hopes were in vain along with and replacement fly-half Tom Cross' late drop goal.
Full back Dafydd Lewis grabbed a brace of tries for Kidwelly, who beat Aberavon Quins 21-6 at Park Stephens.
Promoted Pontyberem were also victors on the opening day but they had to come from behind to beat Ammanford 14-10 at home.
Mike Sauro kicked a trio of first-half penalties for the home side before centre Iwan Harris grabbed a late try to clinch victory.
In Division Four West, Chris Moore impressed with 15 points to seal a win for promoted outfit Cefneithin over Amman United.
Wings Luke Jenkins and Owain Lewis and hooker Will Holbrook also got in the act with tries in the 32-16 win.
With just a week to go before Wales kick off their Rugby Women's World Cup campaign against hosts France in Paris, head coach Rhys Edwards and flanker Sioned Harries are looking ahead to the tournament with optimism.
After two years in the international wilderness, Adi Taviner is hoping to make up for lost time when she takes part in her second Women's Rugby World Cup which kicks off in Paris next Friday where Wales take on hosts, France.
The WRU's Women and Girls legacy events - #TRY OUR GAME have proved popular this week with current players and newcomers to the game learning new skills and picking up tips from national squad players.
We caught up with Shona and Ellie from the Wales women team ahead of the start of the Women's Rugby World Cup in Paris next month at a recent women's training session to encourage and promote more women and girls to try their hand at rugby. #tryourgame
The Women's Rugby World Cup warm-up clash between Wales and USA proved bittersweet for centre Elen Evans. Despite being one of the star performers on the day on her 50th Test appearance, USA edged home 10-7 at Cross Keys.
Wales completed their Junior World Championship campaign with a victory over Samoa. Team manager Mark Taylor and No 8 James Benjamin reflect on a tournament which saw Wales win three games and lose two.