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 Rc8 win in 3 half-moves
4 Kb3 win in 5 half-moves
5 Rb8 win in 5 half-moves
6 Kc7 win in 7 half-moves
7 Kc6 win in 15 half-moves
8 Ra6 win in 15 half-moves
9 Ka3 draw
10 Ka5 draw
11 Kc5 draw
12 Kd5 draw
13 Kd7 draw
14 Ke7 draw
15 Ra7 draw
16 Rd8 draw
17 Re8 draw
18 Ke5 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh8 loss in 2 half-moves