Robert Lewandowski warned he is feeling fresh and is looking to make an impact for Poland at the World Cup.
The striker wants Poland to improve on their showing from Euro 2016, when they reached the quarter-finals before being knocked out by eventual champions Portugal on penalties.
Lewandowski played close to 500 fewer Bundesliga minutes this season than he did heading into the tournament in France, and he hopes to reap the benefits of that reduced workload in Russia.
"If we compare the preparations with those from before Euro 2016, it is completely different," said Lewandowski.
"I am also coming off a different season at club level than two years earlier. This time I have played fewer minutes and matches.
"I hope that you will see freshness [from the team] in the whole tournament and the form will be improved from the first match.
"After a dozen or so years of drought, we are back at the World Cup and I hope we will show our best. I hope the fans will remember us as much as the teams from 1974 and 1982."
Pierwsze zapoznanie z murawą w Soczi! Nasi już trenują! pic.twitter.com/cVhn2KjuaR— Łączy nas piłka (@LaczyNasPilka) June 13, 2018
Poland captain Kamil Glik will miss their opening Group H matches against Senegal and Colombia due to a shoulder injury reportedly sustained while attempting a bicycle kick in training.
Lewandowski said: "I know this situation perfectly because I've had the same injury. Knowing Kamil, how he endures pain and how he deals with injuries, his return pleased us all.
"I hope he will quickly return to form, be able to train and fight with us. If he says he is ready to play and fight, it will be clear on the pitch."
|De Gea has to bounce back from Ronaldo shocker - Bosnich|
|Martinez not looking for perfection|
|Farah´s Wests Tigers return confirmed|
|Cubs get extra-inning win to split doubleheader with Dodgers|
|Denmark will ´struggle´ if Australia stop Eriksen, says Jakobsen|
|Astros´ win streak ends at 12|
|Lahm backs Germany, Low after losing start|
|Messi has all our support – Dybala|
|Strickland apologises for ´stupid decision´ that led to broken hand|
|Five-time Open Championship winner Thomson dies aged 88|
|´Positive´ Pogba not bitter towards media, says Varane|
|Portugal privileged to have ´humble´ Ronaldo, says Pepe|
|Strickland breaks hand punching door after blown save, out for up to eight weeks|
|He will have received good money – Costa delighted by Griezmann extension|
|Kane: Pochettino sent me love hearts after World Cup heroics|
|Nationals place Adams on 10-day DL with broken finger|
|Dybala: I can play alongside Messi|
|Lewandowski: Poland didn´t take enough risks|
|England´s Kane aiming to reach Ronaldo, Messi levels with World Cup performances|
|Kicker given three-year match-fixing ban|
|England confirm Alli thigh injury|
|Federer through, Zverev out in Halle|
|Back on the map and earning letters from ladies, Tabarez embraces Uruguay´s heritage|
|Rampant England rout Australia in record-breaking display|
|Pulisic in right place at Dortmund, says Arena|
|Wilshere confirms Arsenal exit|
|NASCAR at Sonoma: TV schedule, standings, qualifying drivers for Toyota/Save Mart 350|
|Muguruza and Kvitova cruise through in Birmingham|
|Leno among top 10 most expensive goalkeepers|
|Pained Salah unable to halt Russia´s unlikely march|
|Kyrgios downs ´legend´ Murray as Dimitrov and Djokovic progress|
|Neymar pain normal – Coutinho unconcerned by ankle issue|
|Russia 3 Egypt 1: Salah strikes but hosts right on course for last 16|
|We must make Ronaldo less exceptional, says Morocco boss Renard|
|Chandimal handed one-Test ball tampering ban, faces further ICC charge|
|Arsenal sign goalkeeper Leno from Leverkusen|
|Mexico style in Germany win surprised Arena|
|Monaco complete €20m move for Lyon teenager Geubbels|
|Saudi team don´t know cause of aeroplane fire, Pizzi reveals|
|Champions League qualifying draw: Celtic travel to Armenia, Ajax face Sturm Graz|
|I´ve never seen a player win on his own – Santos shrugs off Ronaldo dependence|
|Murray impresses despite narrow defeat on return|
|West Ham land club-record Diop signing|
|El Hadji Diouf hails ´perfect start´ for Senegal|
|Cisse and Senegal give cause for African celebration|
|Carvajal ready to face Iran - Hierro|
|Japan´s World Cup victory over Colombia sparks celebrations on the streets of Tokyo|
|Poland 1 Senegal 2: Good fortune and bad errors hand Africans Group H win|
|England shatter ODI world record with total of 481 against Australia|
|Best yet to come from England hero Kane, says Rashford|
|Salah starts for Egypt against Russia|
|De Jong expects to stay at Ajax|
|Barcelona angered by Pique´s involvement in Griezmann saga|
|Federer begins Halle defence with comfortable Bedene win|
|Tabarez not worried by slow Suarez start|
|Brazil´s Neymar felt pain in his ankle, CBF confirms|
|Griezmann understands Atletico fans´ nerves over Barcelona speculation|
|Queiroz salutes Hierro for uniting Spain|
|Stump from Scotland´s defeat of England auctioned for charity|
|Red Bull will not have works team label, confirm Honda|
|Neymar hobbles out of Brazil World Cup training|
|Ronaldo´s revelry, Messi´s miss and Sanchez´s shocker - Russia 2018, World Cup of the penalty|
|Brazil ask FIFA to explain VAR decisions against Switzerland|
|Colombia 1 Japan 2: Sanchez red spoils Pekerman´s plans|
|Argentina v Croatia: Mercado wants an end to ´Messidependencia´|
|Hoffenheim director suggests €50m bid could land Kramaric|
|England will emerge as a ´champion team´, insists Jones|
|Ryder Cup teams shaping up great, says Strange|
|We cannot replace Iniesta – Abidal|
|Colombia´s Sanchez sees second-quickest World Cup red card|