Newport Gwent Dragons began life under Lyn Jones with a thrilling 22-20 win over Bath.
The Men of Gwent trailed 10-7 at the interval after the boot of George Ford and a Rob Webber try cancelled out Dan Evans' earlier effort.
A second-half stalemate lasted 20 minutes before the game burst into life. Italian debutant Kris Burton fired the hosts into the lead with a pair of penalties.
Bath responded through Anthony Watson but Jason Tovey edged his kicking dual with Tom Heathcote, who missed a last minute penalty.
Thomas Rhys Thomas and Matthew Screech made their debuts for the Gwent region, with the hooker also captaining the side.
While Jason Tovey pulled on the number 10 jersey following his switch from Cardiff Blues.
Following a scrappy and disjointed opening period the Dragons began to exert control of the encounter following a Tom Prydie break down the right .
Jack Dixon came close to bursting clear to score but following several phases and a scrum, Lewis Evans and Jonathan Evans sent Dan Evans over the whitewash.
Tovey added the extras, while George Ford was wayward minutes later. However Bath began to flex their muscle up front and a rampaging scrum allowed Ford to open their scoring.
The West Country giants took the lead shortly before the half-hour mark after Webber crashed over from close range with Ford converting.
Jones' side pressed in the closing stages of the half, despite making mass changes, but the scores remained 10-7 at the break.
Replacement wing Anthony Watson came within inches of stretching Bath's lead after bursting onto the ball and dancing through the Dragons' midfield.
But he was held short and the Dragons survived unscathed. They then punished Bath for their lack of killer instinct when Burton levelled the scores shortly after the hour mark after the visitors were caught holding on at a ruck.
And the Italian fly-half fired the Dragons into the lead with a quick-fire second after Bath once again infringed at the breakdown.
But the Dragons' hard work was quickly undone as Watson pounced on Wayne Evans' loose pass to blaze home.
Tom Heathcote dissected the posts to hand the visitors a-four-point lead but Burton quickly cut it to one with his third penalty.
The Dragons were dealt a blow when Lewis Evans was sin-binned for insistent infringements at the breakdown.
But the numerical disadvantage made no difference as the Men of Gwent earned a scrum penalty, which Tovey duly slotted to regain the lead.
However, it once again lasted just minutes as Ian Nimmo was penalised and shown yellow at the breakdown, with Heathcote making the Dragons pay.
The Dragons appeared destined to fall to a slender defeat but the scores changed hands once again as Tovey nailed yet another penalty.
There was one more twist in a frantic finale as Bath earned a penalty at the death following a rampaging rolling maul, which saw Sam Parry become the third player sin-binned.
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 U20 head coach Byron Hayward and back row Will Boyde believe defence will be the key when they face Ireland tomorrow in the second pool game of the Junior World Championship being held in New Zealand.
Tension was palpable as players waited to hear the announcment of the Wales touring squad of South Africa. Matthew Morgan was one of four uncapped players named in the squad after impressing in the Wales Senior Trial.
Wales Trial, Principality Premiership Awards evening and Wales U20s in this week's Principality Welsh Rugby Union Podcast. We hear from Jamie Roberts and Matthew Rees about the Wales Trial, captain Dafydd Lockyer talks about Pontypridd dominating the Principality Premiership awards, while ahead of the start of the Junior World Championships we talk to Tom Williams, Steffan Hughes, Jack Dixon and Nicky Smith.
Coaches Rob Howley and Robin McBryde today confirmed their Probables and Possibles teams to take part in Friday's Wales Senior Trial at the Liberty Stadium and both are predicting some mouth-watering head-to-heads.
Possibles coach Robin McBryde has given his team a licence to thrill in Friday's Wales Senior Trial match. He tells WRU TV's Graeme Gillespie that his side will be determined to ruffle a few feathers against the favourites, the Probables.
We look at the squads for the Wales trial, European finals weekend and Wales U20 on this week's Principality Welsh Rugby Union Podcast. We hear from Warren Gatland and Rob Howley on the trial, full back Hallam Amos on his summer hopes, Wales legend Ieuan Evans welcomes European rugby finals weekend to Cardiff and Wales U20 hooker Ethan Lewis looks ahead to the Junior World Championships.
Wales Under 20 head coach Byron Hayward says last night's 31-19 win over Scotland was a crucial building block as the Junior World Cup rapidly approaches. WRU TV's Liz Jones gets his post match reaction.
WRU group chief executive Roger Lewis explains the new Rugby Services Agreement with the Regions in this week's Principality Welsh Rugby Union Podcast. We also hear from Wales forwards coach Robin McBryde as the Vale Resort is confirmed as one of the World Cup bases, welcomed by Vale sales and marketing director Paul Beddoe. We also cover the Fosters National Sevens with reaction from Llanelli's plate winning captain Duane Eager, while Llandovery lifted the main prize and we speak to coach Lyndon Lewis and captain Matthew Jacobs.
It is the end of an era in Welsh rugby as Liza Burgess ends almost 30 years involved with Wales Women, on this week's Principality Welsh Rugby Union Podcast. We also hear what back Robyn Wilkins about what made her take up rugby. Gwyn Morris talks about getting the Principality Premiership referee of the year award, while we hear from director of rugby Mark Hammett at the Blues, Ospreys coach Steve Tandy and Dragons back Hallam Amos about the new season.