Here are 98 of the top 100 for October ranks by kills per root game. Jurgen and elvissey did not have any regular games in the month.

15.29 Jonjo1
12.68 wertrew
12.44 Brennwert
10.37 Richarto
9.65 papito1900
9.59 BugThug
9.18 junobeach
8.72 toms
8.71 hcdug
8.62 Troy11
8.58 du11
8.46 orgi
8.38 gogi
8.08 savif
7.70 kkbomb
7.66 Rebel9
7.62 Dude111
7.54 Qaziyev
7.09 arkenkor
7.01 suicidream
6.95 michl
6.92 NardSausage
6.75 Hong Kong
6.65 Beach_Bum_13
6.58 DutchBastard
6.55 kskmemory
6.45 Gauntlet15
6.28 Fedya
6.25 lipos
6.15 kdiceplaya!
6.02 Clempson
5.98 Im Defeated
5.93 potato27
5.89 toad92
5.83 IFIGENIUS
5.75 Created
5.75 PND
5.61 integral
5.61 sexybabe
5.56 Smoke Two Joints
5.53 Capt Smashy
5.48 Bombardier DS 65
5.39 TASOS1
5.38 DreamHippo
5.32 markobg
5.31 fgfx
5.25 stiler
5.20 Verano73
5.19 Lettuce
5.14 Boromakot
5.14 Soromon
5.04 michele
5.03 thegreenheaven
5.01 prymus
4.94 euphrates7
4.87 Whitehawk
4.78 Rileyhemp
4.69 ehervey
4.66 k?lllll
4.60 NikkeKnatterton
4.14 Mr J
4.10 Jouster III
4.08 happytoscrap
3.95 Im Iron Man
3.95 shadolin
3.94 flag under me
3.94 Nerd Alert
3.94 BigDaddyKane
3.73 ireneo
3.73 silapuuce
3.57 burcin
3.55 spman
3.54 john_egg
3.52 ReyDeTrolls
3.50 Tagur2
3.38 havoc99
3.29 axlehammer
3.22 ChiefWeeze
3.22 Nicker_
3.13 Kurwa_pendecho
3.13 Skerdikas
2.91 Kingofskillz
2.54 Chris is King1
2.52 PRESIDENT N° 1
2.51 ClicketyClack
2.45 Help, I'm a rock
2.17 Ninjamonkey
2.04 Athiarchy
1.91 longpube
1.73 orestis85
1.70 @Vega_Ale
1.44 spman2
1.41 spman5
1.07 franklyghost
1.00 no_name2
0.58 Loobee
0.35 Jonathan Apelt
0.00 spman3