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 Ka1 draw
3 Kb1 draw
4 Kf4 draw
5 Rg1 draw
6 Rg2 draw
7 Rg7 draw
8 Rg8 draw
9 Rh4 draw
10 Ka3 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rg6 loss in 2 half-moves