Stan Wawrinka is aiming to compete at the Australian Open in January even if he is still short of full fitness.
The Swiss ended his 2017 season prematurely in August due to a knee injury, rendering him unable to defend his US Open crown and preventing him from competing in the ATP World Tour Finals.
A three-time grand slam singles champion, Wawrinka's first major success came at Melbourne Park in 2014.
And the 32-year-old is determined to feature at the tournament in January as he continues his rehabilitation.
"I had problems with this knee since the Basel tournament in 2016," he told L'Equipe.
"My only regret is not having stopped my grass [court] season earlier, which has only aggravated the situation.
"Today, I'm working with my physio six days out of seven. The goal is to play the Australian Open, even if I'm not 100 per cent."
Wawrinka split with coach Magnus Norman in October and the timing of the Swede's departure was a cause of significant frustration for the former world number three.
"It was a big disappointment, a shock," he said.
"In the most difficult moments of a career, one should be able to count on the closest ones."
22. März 2018
|Italy coach Di Biagio dismisses Raiola rage over Balotelli snub|
|Lopetegui not ruling out Martinez World Cup chances|
|Late Widnes rally sees off Salford|
|Ailing Halep battles past Dodin in Miami|
|Spain defender Ramos targeting Casillas caps record|
|Pogba gets no special treatment from Deschamps|
|Defending champion Johnson dumped out of WGC Dell Match Play|
|Ibrahimovic to LA Galaxy? Beckham, Drogba, Pirlo and the other stars to try MLS|
|Wilshere out for England with Pickford to face Netherlands|
|Southgate rejects England safety concerns over World Cup|
|Great things come to an end - Ibrahimovic confirms Man Utd departure|
|This is Messi´s team - Sampaoli puts faith in Barcelona superstar|
|Tony Romo plays rollercoaster first round in PGA Tour debut|
|Total embarrassment: Hussain and Willis slam England following Auckland humiliation|
|Elgar urges South Africa to ´brush off´ disappointment of collapse|
|Juventus to play in MLS All-Star Game|
|Low confirms Can will miss Spain game|
|Tiger´s Masters timeline: Can Woods rediscover his best Augusta form?|
|Morgan to captain World XI for T20 hurricane fundraiser|
|Ibrahimovic released by Manchester United|
|Santos not interested in Ronaldo to China links|
|French Open prize money up to €2.2m for singles champions|
|WATCH: Messi scores superb solo strike in Argentina training|
|Zimbabwe´s World Cup hopes all but over after UAE loss|
|Koeman names Van Dijk new Netherlands captain|
|Dybala and Icardi´s World Cup hopes doused by Sampaoli|
|Pierre-Paul joins revamped Bucs pass rush in trade|
|I almost s*** myself - Pique on Keane rant|
|UEFA order PSG to close Auteuil stand|
|Cummins puts Australia in control as South Africa collapse after tea|
|Surgery on both elbows for ´different animal´ Parker|
|Director of rugby Kennedy leaves London Irish|
|Brilliant Bale basks in Wales record|
|Romo hits back-to-back birdies on PGA Tour debut|
|Neuer needs to play to make Germany´s World Cup squad – Low|
|All we can do is take it on the chin - Bayliss responds to Auckland humiliation|
|China 0 Wales 6: Record-breaking Bale leads demolition job in perfect start for Giggs|
|Curry closer to return than Durant - Kerr|
|Alonso expects McLaren to be at ´lowest level´ in Melbourne|
|Serena´s conqueror and a new tennis superstar - who is Naomi Osaka?|
|Bale becomes Wales´ record goalscorer with China hat-trick|
|Hamilton warns Ricciardo not to rock Red Bull boat|
|It could have been worse! England´s lowest Test totals|
|The ´reality for people with a brain´ is Manchester United are in transition, Mourinho claims|
|Black Caps seamer savours Boult from the blue|
|West Ham ban disruptive fans for life after Burnley chaos|
|Storm respond by beating Cowboys|
|Ten wickets in 79 minutes - a timeline of England´s Auckland horror show|
|England´s bleak winter sinks to new low|
|Iniesta hints at post-World Cup international retirement|
|All we do is talk s*** - Pique goads Madrid stars over WhatsApp|
|England like rabbits in the headlights - Bayliss|
|Euro 2016 humiliation helped England, claims Dele Alli|
|58 all out! Shambolic England overshadow Broad milestone|
|Iniesta confident of two more years in Barcelona starting XI|
|Kane probably the best striker in the world - Maguire|
|Broad strikes again – the Opta data behind the England bowler´s 400th wicket|
|Wenger told Wilshere he could leave Arsenal|
|An India hat-trick and THAT Ashes annihilation: Broad´s finest Test spells|
|Broad removes Latham to claim 400th Test wicket|
|If you play for Atletico, you must be committed – Koke responds to Griezmann speculation|
|LeBron´s historic night leads Cavs past Raptors, Howard tallies rare 30-30|
|Del Potro, Cilic loom for Haase and Herbert|
|Giggs: Bale will feature for Wales in China Cup|
|Serena releases statement after skipping media following Miami loss|
|England bowled out for 58 in 130-year Test low|
|Maradona: Messi doesn´t have to prove himself by winning World Cup|
|Cavs tally worst defensive half of season against Raptors|
|McIlroy, Johnson stunned on day one in Austin|
|Cristiano Ronaldo hasn´t asked to leave Real Madrid amid China links – Perez|