| Name | Steam ID | Records | WRs |
|---|---|---|---|
| unnamedwood | 76561199010893202 | 1 | 0 |
| Unos Nanos | 76561198058563193 | 74 | 0 |
| uno spaghetto | 76561198156867473 | 1 | 0 |
| uNoT!brucelee | 76561198090066394 | 38 | 0 |
| UnplayedNam3r | 76561198057660843 | 2 | 0 |
| UnplayedNamer | 76561198387945780 | 1 | 0 |
| unreal | 76561199024467448 | 2 | 0 |
| unrealLyyy | 76561198087399984 | 1 | 0 |
| uNsettled | 76561198196266326 | 24 | 0 |
| Unstruct | 76561197962479949 | 1 | 0 |
| untotz. | 76561197993986635 | 1 | 0 |
| untouch | 76561197977483599 | 7 | 0 |
| untoxa | 76561198305509268 | 1 | 0 |
| unts | 76561198021085101 | 15 | 0 |
| unusual nekrokorki | 76561198164057057 | 4 | 0 |
| unw3cks | 76561198304788815 | 1 | 0 |
| UOO | 76561198033742975 | 7 | 0 |
| uovo | 76561198042427697 | 1 | 0 |
| up | 76561198001467396 | 3 | 0 |
| upl1fted | 76561198025963711 | 139 | 0 |
| Uplink | 76561197999954170 | 1 | 0 |
| UpMarketRain | 76561199085852098 | 1 | 0 |
| UporotyhUnic | 76561199085182728 | 3 | 0 |
| upreal | 76561197989131497 | 3 | 0 |
| upset | 76561198011739780 | 42 | 0 |
| Upside-DownFish | 76561198241529442 | 2 | 0 |
| ups u died | 76561198075179529 | 1 | 0 |
| Ur0b0r0$ | 76561198014122726 | 16 | 0 |
| uradzent | 76561199108172267 | 6 | 0 |
| uranium_B | 76561198261006881 | 1 | 0 |
| Uranumrus | 76561198371260739 | 5 | 0 |
| UrbaN | 76561198119499205 | 1 | 0 |
| Urbexilon.ttv | 76561198046042309 | 5 | 0 |
| Ur Dad | 76561198149403404 | 1 | 0 |
| Urfrost | 76561198103290281 | 1 | 0 |
| ur gourbage | 76561198071142825 | 1 | 0 |
| uridongsu | 76561198143033996 | 1 | 0 |
| Uriel | 76561198155715976 | 1 | 0 |
| uriel5739 | 76561199135158983 | 1 | 0 |
| Uriki | 76561198107137562 | 1 | 0 |
| urMIND | 76561198054613366 | 1 | 0 |
| uro | 76561198077927906 | 1 | 0 |
| urod.exe | 76561198074124194 | 2 | 0 |
| Ürqı | 76561199466535012 | 1 | 0 |
| [URRR] scoutf2rs | 76561198131345314 | 2 | 0 |
| Ur soul is mine <3 | 76561198080129931 | 1 | 0 |
| Urushihara Hanzō | 76561198204260281 | 1 | 0 |
| URWAMAC | 76561198208754613 | 1 | 0 |
| Urya | 76561198028120239 | 3 | 0 |
| urzinio | 76561198025797647 | 1 | 0 |