It's SFP for me, a player who lunges from the front, side or from behind with one or both legs using excessive force is guilty of serious foul play.
Let's have a look at FIFA considerations:
Fouls: careless, reckless, using excessive force/Violent conduct
1. Does the player show a lack of attention or consideration when making his challenge?
2 Does the player act without precaution when making the challenge?
3 Does the player make fair or unfair contact with the opponent after touching the ball? NA
4 Does the player act with complete disregard of the danger to his opponent?
5 Does the player act with a complete disregard of the consequences for his opponent?
6 Does the player have a chance of playing the ball in a fair manner?
7 Is the challenge putting an opponent in a dangerous situation?
8 Does the player touch the ball after making contact with the opponent?
9 Does the player far exceed the necessary use of force when making the challenge?
10 Does the player use brutality against an opponent when challenging?
11 Is the challenge clearly endangering the safety of the opponent?
12 What degree of speed and/or intensity is the player using when making the challenge? At speed, high intensity
13 Does the player show clear malice when making the challenge?
14 Does the player lunge at an opponent from the front, from the side or from behind?
15 Which part of the body has the player used to make contact? Foot
16 Does the player use his studs when making a tackle? No
17 On which part of the opponent's body is contact made? knee
18 In what direction are the tackler's feet pointing? Away from opponent
19 Is the player challenging for the ball at the moment the contact is made?
20 Does the player(s) charge the opponent in a fair manner? NA
221 Do you consider the foul an act of violent conduct or a serious foul play?
222 Has the challenge been committed in a fair manner or a careless manner? NA
248 Does the player use his arm as a 'tool' or a 'weapon'? NA
249 Does the player challenge for the ball in a fair manner
