Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Kb2 draw
3 Kb3 draw
4 Kb4 draw
5 Kc2 draw
6 Kd2 draw
7 Kd3 draw
8 Kd4 draw
9 Ra4 draw
10 Rc5 draw
11 Rc6 draw
12 Rc7 draw
13 Rc8 draw
14 Rd4 draw
15 Re4 draw
16 Rb4 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves