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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kcd4 win in 3 half-moves
4 Rb1 win in 3 half-moves
5 Re1 win in 3 half-moves
6 Kc2 win in 7 half-moves
7 Kd2 win in 7 half-moves
8 Ke2 win in 7 half-moves
9 Ke3 win in 15 half-moves
10 Kb3 draw
11 Kc5 draw
12 Kcc3 draw
13 Kd5 draw
14 Kdc3 draw
15 Kdd4 draw
16 Ra1 draw
17 Rc2 draw
18 Rc3 draw
19 Rd1 draw
20 Ke4 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rh1 loss in 2 half-moves