Socceroos midfielder Massimo Luongo started his Championship campaign with a convincing win, while Brad Jones was part of a massive victory on debut with Feyenoord.
Luongo played a full match in Queens Park Rangers' 3-0 defeat of Leeds United on Sunday, with the Australia international anchoring Jimmy Floyd Hasselbaink's midfield at Loftus Road.
Nothing better then starting our season off with a win at home. 3 points and a great performance. The support again was amazing. #QPRFC— Massimo Luongo (@MassLuongo) August 7, 2016
In the Eredivisie, former Socceroos gloveman Jones made his competitive bow for Feyenoord and kept a clean sheet, as Eljero Elia's hat-trick set up a 5-0 thumping of Groningen.
Jones, who played for NEC Nijmegen in the second half of last season, joined Feyenoord last month.
Elsewhere in the Netherlands, defender Kenny Dougall completed 90 minutes for Feyenoord's local rivals Sparta Rotterdam in a 3-1 home loss to Ajax.
Dougall lined up at the base of midfield after playing as a defender last season, while his compatriot Craig Goodwin made his competitive debut for Sparta after coming on in the 68th minute.
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The former Adelaide United man replaced Ivan Calero as Sparta's left winger.
Meanwhile, Daniel De Silva came on in the 55th minute during Roda JC's 1-1 draw with Heracles.
David Williams opened his account for the season with Haladas in Hungary's Nemzeti Bajnoksag as the Szombathely-based club defeated MTK Budapest 2-0 to claim their first win of the campaign.
With his side leading 1-0, Williams fired home a cut-back in the 59th minute to secure victory, while the ex-Melbourne City forward was replaced with 10 minutes remaining.
In Germany, Socceroos defender Milos Degenek played 90 minutes in 1860 Munich's 1-0 loss to Greuther Furth in the 2. Bundesliga, while Ben Halloran came on with 11 minutes remaining in Heidenheim's 1-0 triumph over Erzebirge Aue.
Tomi Juric notched another 90 minutes as Luzern lost 3-2 to Basel in the Swiss Super League, while Aziz Behich was taken off at half-time as Bursaspor lost 1-0 to Bandirmaspor in Turkey's Super Lig.
On Saturday, James Jeggo played a full match for Sturm Graz as they claimed a 2-0 away win over SV Mattersburg in the Austrian Bundesliga, while Alex Gersbach also played 90 minutes for Rosenborg as they beat Lillestrom 4-3 in Norway.
Tom Rogic came on in the 73rd minute as Celtic began the defence of their Scottish Premiership title with a 2-1 win at Hearts.
In the Scottish second tier, young Australian forward Lyndon Dykes played 90 minutes for Queen of the South in a 1-1 draw away to Dundee United.
On Saturday, Aaron Mooy made an impressive start to his Huddersfield Town career, helping his new club to a 2-1 win over Brentford on the opening weekend of the Championship.
Great start to the season with a win atmosphere was class— Aaron Mooy (@AaronMooy) August 6, 2016
Mooy was the heartbeat of the Terriers' attack in his first competitive start for the club, with goals to fellow debutants Elias Kachunga and Kasey Palmer ensuring they claimed three points at a packed John Smith's Stadium.
Jason Davidson was not in the squad for the home side, while fellow Aussie Callum Elder played a full match for Brentford.
Defender Bailey Wright was in action for Preston North End as they were beaten 1-0 away to Reading.
James Meredith's Bradford City were held to goalless draw against Port Vale in League One.
Ryan Edwards was a second-half substitute as Partick Thistle beat Inverness Caledonian Thistle 2-0 in the Scottish Premiership, while Scott McDonald's Motherwell also banked three points as they accounted for Kilmarnock 2-1 on their travels.
In the Thai League, Mark Bridge played 90 minutes for Chiang Rai United in a 1-0 loss to Muangthong United, while in the second division, Aaron Evans scored as his Kamphaengphet defeated Chiang Rai City 2-1.
On Saturday, Aurelio Vidmar suffered a defeat in his first game in charge of Bangkok Glass, with his side going down to Bangkok United in their local derby.
Former Brisbane Roar defender Matt Smith led Bangkok Glass as two goals in each half saw them go down 4-2.