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 Kb4 win in 3 half-moves
4 Kc2 win in 3 half-moves
5 Kc4 win in 3 half-moves
6 Kd2 win in 3 half-moves
7 Kd4 win in 3 half-moves
8 Rh2 win in 3 half-moves
9 Rh4 win in 3 half-moves
10 Kd3 draw
11 Rh1 draw
12 Rh5 draw
13 Rd3 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Rh6 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Rh8 loss in 2 half-moves