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

EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Kb1 draw
3 Kc1 draw
4 Kd1 draw
5 Kd2 draw
6 Kf4 draw
7 Rg2 draw
8 Rh4 draw
9 Kb2 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kcd3 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ked3 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rg5 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rg8 loss in 2 half-moves