Career
Early years
In 1998, at the age of 11, Einsle began to play snooker. He made his first century break at the age of 14. He participated at the 2005 World Games in snooker, but failed in the first round 1–3 to the eventual gold medallist Gerard Greene.
2006/2007 season
Einsle turned professional in 2006/2007, after receiving a Main Tour wildcard from the WPBSA following the withdrawal of Paul Hunter.
He dropped off the tour after the same season. Einsle had his first qualification match on the Main Tour only three days after his appeal, he lost in the qualifying round of the Northern Ireland Trophy clearly with 0–5 against Lee Page.
At the Grand Prix he survived the first two qualification rounds and was able to collect some points for the snooker world rankings. His third qualification match for the Malta, he lost with 4:5 against Mark Joyce.
In the qualifying for the Masters he lost in the first round 1–4 against Chris Norbury.
He also lost in the first qualifying rounds of the United Kingdom Championship, the Welsh Open, the China Open and the World Championship, as he was defeated by 9–0 Judd Trump, 5–1 by Lee Spick, 2–5 by Andrew Higginson and 4–10 by Passakorn Suwannawat respectively. At the end he was ranked 94 of the snooker world ranking and thus lost his place on the Main Tour. Amateur 2007–2010
During the tournament he lost only two frames.
2010/2011 season
He was awarded another wildcard from the WPBSA for the 2010/2011 Main Tour.
After the first cut-off point of the world rankings (after EPTC event 2) he was ranked 87 in the world. In the sixth event of the tour he beat Nigel Bond in the first round and was defeated by Ali Carter, at this time Number.
2 in the world ranking, with just 3–4. In December, he withdrew from the Tour for the remainder of the season.
2013/2014 season
Einsle didn"t enter a single event after the Gdynia Open in February 2014 and eventually resigned from the main tour once again.
2014/2015 season
Einsle played in the 2014 Paul Hunter Classic as an amateur, losing 4–3 to Marc Davis in the second qualifying round. His highest break of 146 points he scored in an U21-tournament. His highest professional break is exactly 100.
Amateur.