Oliver Fisher reeled off four consecutive birdies at the end of his third round to claim a share of the lead at the Qatar Masters.
The Englishman signed for a superb 65 on Saturday to sit level with compatriot Eddie Pepperell on 16 under, with American Sean Crocker two strokes back and representing the duo's closest challenger.
David Horsey started with an eagle en route to matching Fisher's score for the day, leaving him four adrift, while overnight leader Adrian Otaegui's one-over-par effort left him six back.
Final-hole birdies for both Fisher and Pepperell highlighted their coolness under pressure in Doha, while a solitary bogey apiece underlined their consistency.
Finishing in style.— The European Tour (@EuropeanTour) February 24, 2018
Oli Fisher's 65 hands him the lead in Qatar. pic.twitter.com/9qIVlVAQaO
Pepperell is seeking a maiden European Tour win, while Fisher's sole success came at the 2011 Czech Open.
"I would say that was my best round, especially with the position I was in going into the day," said Pepperell.
"I hit a lot of good shots, I maybe lost a little feeling through the turn, but I bounced back nicely and I didn't let it bother me.
"My whole game feels like it's there. Mentally I feel like I'm up for it – I wanted to lead today and I didn't want to be behind the leader."
A host of hopefuls will need to shoot low on Sunday to topple the top two, with Andrea Pavan, Lorenzo Gagli, Marcus Kinhult and Gregory Havret on 12 under.
At the wrong end of the standings, Pontus Widegren endured a day to forget as he carded an 80 – 13 strokes worse than his second-round total.
The 27-year-old Swede took nine strokes on the par-five ninth hole.
17 de marzo 2018
|Valverde not worried about Barcelona legacy|
|Markelle Fultz´s return remains a mystery to Brett Brown|
|Bale is happy at Real Madrid, says Zidane|
|Spalletti seeks consistency as Inter prepare for final push|
|Absence of ´best in the world´ Busquets makes Rakitic key for Barca|
|I was out of the game - Halep offers no excuses for Osaka shock|
|Tigers spoil Slater´s 300th NRL game, wins for Penrith and Warriors|
|A-League Review: Sydney stumble again as Jets close gap|
|Highlanders claim derby win over Crusaders, Brumbies beat Sharks|
|Dreadshock! Neymar reveals new hairdo|
|Shakib and Nurul sanctioned for unruly Colombo conduct|
|Villarreal defender Semedo denied bail on attempted murder charge|
|Boots up! - Pietersen career seemingly over|
|Messi: I´m a less selfish player|
|F1 2018 Pre-Season Report: Williams|
|F1 2018 Pre-Season Report: Renault|
|Thunder claim key win, injury-ravaged Warriors fall to Kings|
|Japanese sensation Osaka blitzes Halep en route to decider|
|Giant-slaying Kasatkina upstages Venus to reach Indian Wells final|
|Coaching Italy would be extraordinary – Mancini|
|J.J. Watt breaks news of Tyrann Mathieu´s deal with Texans|
|Super Bowl champion LeGarrette Blount joins Lions|
|Intensity key to Liverpool toppling Man City, says Klopp|
|Warriors star Durant to miss at least two weeks with rib injury|
|Doc Rivers fined $15,000 for calling officiating ´complete joke´|
|Ravens sign WR Michael Crabtree to three-year deal|
|Tiger stumbles as Stenson and DeChambeau move clear|
|Tiger Woods: I just tried not to shoot myself out of tournament|
|Del Potro to meet Raonic in semis|
|People listen to idiots - Mourinho cites ´dictionary of life´ in extraordinary rant|
|Mourinho tells struggling Manchester United stars to ´grow up´|
|Woods seven off Bay Hill lead after level-par second round|
16 de marzo 2018
|Real Madrid links ´massage the ego´ of Roma goalkeeper Alisson|
|Defending champions Rhinos end Saints´ unbeaten start|
|Pele impressed by Tite´s ability to cope with Brazil´s modern challenges|
|Duhan at the double to boost Edinburgh´s playoff hopes|
|FIFA Council approves open vote for 2026 World Cup|
|McIlroy in love with golf again ahead of Augusta challenge|
|Vikings sign DT Sheldon Richardson|
|FIFA approves VAR use at World Cup|
|Sampaoli ignores Icardi and Dybala, adds Correa to Argentina squad|
|Vikings celebrate Cousins capture as AFC lags behind in NFL ´arms´ race|
|Neymar to Real Madrid? Ask Florentino Perez, says Emery|
|Pogba not as good as Kondogbia - Valencia boss Marcelino|
|Buffon: Most determined team will win Juventus-Madrid tie|
|Inter target Martinez likened to Aguero by Crespo|
|Dortmund boss Stoger defends Gotze criticism|
|Chaos in Colombo as Mahmudullah blasts Tigers into final|
|Filipe Luis relishes overcoming ´obstacle´ as broken leg rules him out for two months|
|Blind cut from Koeman´s first Netherlands squad|
|Australia aim to find an answer to counter ´fantastic´ De Villiers|
|Stenson & DeChambeau tied for Arnold Palmer Invitational lead|
|Huddersfield wrap up permanent Lossl deal|
|Liverpool versus City promises goals, Juve plot Madrid revenge - Champions League quarter-finals in|
|Sharapova to miss Miami with forearm injury|
|Valencia midfielder Coquelin suffers torn Achilles|
|I could be in a league that´s won before kick-off – The best quotes from Mourinho´s tirade|
|Pardew fights on after West Brom talks|
|Juanfran hamstring injury adds to Atletico Madrid´s problems|
|Bayern can expect ´fiery atmosphere´ at Leipzig, says Hasenhuttl|
|Ruining Ireland´s Grand Slam bid won´t be England´s focus - Moody|
|Hughes encouraged by Southampton start|
|Juventus not thinking about Real Madrid just yet, Allegri claims|
|Morata has good World Cup chance despite being dropped, Lopetegui confirms|
|Foul-mouthed Klopp fumes at Premier League scheduling around Man City tie|
|Heynckes: Bayern have no interest in Malcom|
|Stenson makes Bay Hill turn with two-shot lead|
|Butragueno wary of Juventus ahead of titanic Real Madrid tussle|
|Liverpool-City a dream draw for Man Utd fans - Klopp|
|Alun Wyn Jones unimpressed with Eddie Jones comments|