- Nickname
- sfX
- Real Name
- Jasper Ko
- Nationality
- US
- Age
- 2026
- Birthday
- 30 Nov -0001
- Team
- Thunder Logic
sfX (Jasper Ko) is a United States professional Counter-Strike 2 player for Thunder Logic. Career rating 0.79 · ADR 60.5 · KAST 63.5% · 5 tracked maps.
Thunder Logic Roster
About Career Stats On This Site
We no longer publish career stat aggregates (HLTV Rating, ADR, KAST, per-map splits) — those depend on a premium data feed we retired in v8.0.0. For the definitions of each metric, read CS2 Stats Explained. For live rolling career numbers, HLTV.org is the canonical archive.
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Recent Match Performance 2 matches
Recent Team Matches
ImPerium
2
Thunder Logic
1
Thunder Logic
0
Kinship
2
Thunder Logic
2
Third Impact
3
Thunder Logic
2
RBG
0
Thunder Logic
2
Third Impact
0
BO3
Triumph
2
Thunder Logic
0
BO2
Thunder Logic
0
Triumph
2
BO2
Yeah
1
Thunder Logic
1
BO1
Warriors International
0
Thunder Logic
1
BO1
RBG
1
Thunder Logic
0
sfX FAQ
What team does sfX play for?
sfX currently plays for Thunder Logic as a professional CS2 player. sfX represents US in international competition.
What is sfX's CS2 rating?
sfX's career HLTV 2.0 rating is 0.79 across 5 maps played. K/D ratio: 0.75. Headshot percentage: 18%. Ratings are updated after every completed professional match.
What are sfX's career stats?
sfX has competed in 5 tracked professional CS2 maps. Career totals: 68 kills, 91 deaths, 14 assists. Headshot rate: 18%.
sfX — real name Jasper Ko — is a professional CS2 player hailing from US, currently on the Thunder Logic roster.
sfX's career numbers tell a clear story: a 0.75 K/D ratio paired with a 0.79 HLTV rating across 5 maps of professional play. An ADR (Average Damage per Round) of 60.5 reflects a more supportive role. Headshot percentage sits at 18%.
