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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Kb3 win in 3 half-moves
3 Kd2 win in 3 half-moves
4 Kd3 win in 3 half-moves
5 Rf3 win in 3 half-moves
6 Ka2 draw
7 Kf3 draw
8 Rg5 draw
9 Rh3 draw
10 Ka4 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Kf2 loss in 2 half-moves
16 Kf4 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rg8 loss in 2 half-moves