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

EGTB: win in 4 half-moves

# move score
1 Ka2 win in 3 half-moves
2 Kab2 win in 3 half-moves
3 Kc2 win in 3 half-moves
4 Kcb2 win in 3 half-moves
5 Kcb4 win in 3 half-moves
6 Kd3 win in 3 half-moves
7 Kd4 win in 3 half-moves
8 Rd8 win in 3 half-moves
9 Ka4 draw
10 Kab3 draw
11 Kab4 draw
12 Kc4 draw
13 Kcb3 draw
14 Kd2 draw
15 Ra8 draw
16 Rb8 draw
17 Rc7 draw
18 Re8 draw
19 Rc4 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rc6 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves