Martin O'Neill sees the Republic of Ireland's friendly against Turkey as key in their preparations for the UEFA Euro 2016 qualifiers.
The two meet in Dublin on Sunday as both countries look to the future after failing to qualify for the FIFA World Cup finals in Brazil.
The visit of Fatih Terim's Turkey marks O'Neill's fourth match in charge, having taken the job in November last year.
So far, the former Sunderland and Aston Villa boss has overseen one win, one draw and a defeat - all in friendlies - and will be looking to improve on that record.
After the clash with Turkey, Ireland take on Italy at Craven Cottage on May 31, before travelling to the United States for matches with Costa Rica and Portugal.
"I am looking forward to working with the players over the coming weeks, which will be important as we work towards our opening qualification matches in September," O'Neill said at the unveiling of his squad.
"The matches will be about getting to know the players better and changing them around a little bit in terms of personnel in different matches."
O'Neill included two uncapped players in his 29-strong party, with Everton's Shane Duffy and Newcastle United's Rob Elliot hoping to make their international debuts, the latter having missed his own pre-wedding celebrations to join up with the squad.
Like Ireland, Turkey fell short of World Cup qualification, finishing fourth in Group D, three points behind second-placed Romania, who clinched a play-off spot.
Terim's men warmed up for the weekend's game by thumping minnows Kosovo 6-1 on Wednesday, with the experienced coach opting for a youthful line-up in Mitrovica.
Mustafa Pektemek scored twice in that win, while the pacey Ahmet Ilhan Ozek impressed down the right-hand side, and both will be pushing to be included against Ireland.
The experienced trio of Nuri Sahin, Selcuk Inan and Burak Yilmaz were all named in Terim's squad, but it remains to be seen whether they will feature, while 72-cap Arda Turan has the UEFA Champions League final for Atletico Madrid 24 hours earlier and will join up with the squad at a later date.
Turkey have been drawn in Group A for Euro 2016 qualification, along with the Netherlands and Czech Republic, but with third place now being good enough to earn a play-off spot for an expanded tournament, Terim and his squad will feel confident of beating the likes of Iceland, Kazakhstan and Latvia to secure a top-three finish.
|Coach: M. O'Neill|
for D. Delaney 66'
for S. Long 66'
for A. McGeady 66'
for G. Whelan 82'
for S. İnan 21'
for B. Kisa 46'
for H. Çalhanoğlu 63'
for A. Özek 70'
for M. Erdinç 82'
for N. Şahin 84'
|UEFA Europa League Review: Tottenham in late turnaround, Astra shock Lyon|
|League Two Preview: Morecambe, Burton out to continue fast starts|
|Sassuolo 4 Cittadella 1: Second-half rally sees Sassuolo into Coppa fourth round|
|Howard to take US sabbatical|
|Lokeren 1 Hull City 0: McGregor error gifts Belgians victory|
|Rwanda given Wednesday hearing for disqualification appeal|
|Pochettino hails substitutes´ impact|
|Mackay apologises over text message scandal|
|Brandao suspended over Motta incident|
|Borussia Dortmund v Bayer Leverkusen: Klopp expecting tough start|
|QPR complete loan deal for Vargas|
|League One Preview: Fleetwood, Preston face home tests|
|Chelsea v Leicester City: Schurrle expecting Chelsea improvement|
|Southampton v West Brom: Koeman wary of Albion|
|AEL 1 Tottenham 2: Late turnaround gives visitors play-off edge|
|CAF Confederation Cup: Al Ahly, Nkana out to reach last four|
|Swansea City v Burnley: Monk expecting stern examination|
|Bender close to Leverkusen return|
|Morocco will host Club World Cup despite Ebola concerns - FIFA|
|Schneiderlin not allowed to leave, insists Koeman|
|Dyche confident Burnley can strengthen|
|West Brom eye Samaras signing|
|Aston Villa v Newcastle United: Lambert wants more Weimann goals|
|MLS Preview: Sounders look to bounce back at Portland, Johnson banned for DC|
|Klose eyes European football|
|Monk warns Swansea over complacency|
|De Jong set for Newcastle return|
|Crystal Palace v West Ham: No excuses from Millen|
|Pearson looking for Chelsea indication|
|Blanc wants Rabiot to stay|
|Bowyer reveals Hull approach for Rhodes|
|Atletico out to gatecrash Barca, Real party once again|
|Barcelona go back to the future|
|CSL Preview: Beijing Guoan, Dalian Aerbin hit the road|
|Westwood returns to Ireland squad|
|Millen confident on Palace job prospects|
|Pedro struck down by gastroenteritis|
|Championship Preview: Magath preaches patience, Ipswich host East Anglian derby|
|Ribery not ready for Bayern return - Guardiola|
|Ancelotti: Di Maria has asked to leave|
|Moody resigns from Palace post|
|Everton v Arsenal: Martinez denies Everton have advantage|
|Coventry agree Ricoh return|
|Allardyce eyes defensive improvements|
|FA to investigate Cardiff dossier|
|Simeone not expecting to retain title|
|Balotelli bids farewell to Milan team-mates|
|Wenger open to signings after Arteta blow|
|Martinez to wait on Kone, Oviedo before considering late signings|
|Ocampos believes in Jardim´s methods|
|Villas-Boas calls for Zenit focus|
|Jovetic predicts bright future at City|
|Hamren hoping for quick Ibrahimovic recovery|
|Van Gaal retains focus on team ethic|
|Martinez calls for Everton consistency|
|Oxlade-Chamberlain: Arsenal´s best will come|
|Benaglio retires from Swiss duty|
|MLS Review: Galaxy stun Rapids, Sounders held|
|CONCACAF Champions League Review: MLS clubs shine|
|Panama 4 Cuba 0: Hosts finally win|
|K. League Preview: In-form Jeonbuk out to increase advantage|
|Copa Sudamericana Review: Penarol poised to advance, General Diaz on track|
|Liga MX Preview: America target another win|
|J.League Preview: In-form Kashima, Tokyo face tests|
|Fresh faces in Australia squad|
|Copa Argentina Review: River Plate, Estudiantes des Caseros reach quarters|
|Girard rues wasteful Lille|
|Scholes: ´I am scared for United´|
|Patient Inter got just rewards - Mazzarri|
|UEFA Europa League Review: Inter win in Iceland|
|UEFA Champions League Play-offs Review: Away sides prosper in play-off first legs|
|Fulham 0 Wolves 1: Sako inflicts more misery on hosts|
|Bundesliga Preview: Klopp set to break record as Dortmund host Leverkusen|
|Bruce reveals Aboubakar interest|
|Kane ready to light up Premier League|
|Jerome joins Norwich|
|Bayern destined to dominate Bundesliga once again|
|Perfectionist Guardiola raises the bar|
|Pohang Steelers 0 Seoul 0: Last-eight tie on a knife edge|
|Rojo pens five-year deal at United|
|Bayern Munich v Wolfsburg: Badstuber wary of tough opening|
|Eredivisie Preview: Ajax and PSV lock horns in De Topper, Groningen face Den Haag|
|Ligue 1 Preview: Bordeaux and Saint-Etienne out to continue dream starts|
|Thai Premier League Review: 10-man Buriram survive Muang Thong test, BEC Tero defeated|
|QPR seal Fer capture|
|Modric aiming for further glory after extending deal|
|Dzeko pens new City deal|
|Marotta: Vidal was never for sale|
|Evian v Paris Saint-Germain: Champions wary of wounded hosts|
|Ulloa gains confidence from debut goal|
|Hamann hoping for competitive Bundesliga|
|Dortmund duo Kirch and Ji sidelined|
|Irvine will not rush Gamboa|
|Messi, Mascherano laud La Masia|
|Moses: Hughes reason for Stoke move|
|Lahm aware of Dortmund threat|
|Atletico Madrid v Real Madrid: Rodriguez targets winning goal after opening Real account|
|Wilshere urges focus for return leg|
|Milan: No Liverpool offer for Balotelli|
|Michu chat aided Fernandez switch|
|Western Sydney Wanderers 1 Guangzhou Evergrande 0: Tempers flare after Sydney triumph|
|Van der Vaart headlines Netherlands squad|
|CAF Champions League Preview: Dead rubbers brought to life by Zamalek appeal|
|UEFA open Tavecchio investigation|
|Napoli sign Villarreal´s De Guzman|
|My heart is at Bayern, insists Muller|
|Altidore at his happiest - Poyet|
|Barca to go to CAS after FIFA rejects appeal|
|Swansea confirm Fernandez signing|
|Leverkusen will not relax, says Schmidt|
|Modric pens new Real deal|
|Amat relishing Fernandez competition|
|Snodgrass out for six months|
|Di Maria is Real´s best - Simeone|
|Kompany hails City contract dealings|
|Higuain: Napoli have to qualify|
|Martinez backs Barkley to bounce back|
|Stjarnan ready to exploit Inter´s ´weaknesses´|
|No price-tag pressure for Liverpool´s Markovic|
|Courtois admits departure thoughts|
|Skrtel: Liverpool must defend ´as a group´|
|Duff predicts Chelsea success, ´worried´ for Fulham|
|CONCACAF Champions League Review: Portland shine in Guyana|
|Simeone: We have a ´50-50 chance´|
|Copa Sudamericana Review: Cerro Porteno win away, Huachipato start strongly|
|Ronaldo injury ´not serious´ - Ancelotti|
|Martino names Argentina squad|
|Supercopa ´still open´ - Alonso|
|Expect goals in Lille, Porto clash - Girard|
|Courtois wants Cech stay|
|Benitez backs Napoli to score|
|Real Madrid 1 Atletico Madrid 1: Ronaldo off at half-time as Real denied|
|League Two Review: Morecambe, Burton remain unbeaten, Portsmouth defeat Northampton|