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

EGTB: win in 6 half-moves

# move score
1 Ka8 win in 5 half-moves
2 Kb8 win in 5 half-moves
3 Kc5 win in 5 half-moves
4 Ra8 win in 5 half-moves
5 Rc7 win in 5 half-moves
6 Kc7 win in 9 half-moves
7 Ka6 draw
8 Kab6 draw
9 Kab7 draw
10 Kb5 loss in 2 half-moves
11 Kcb6 loss in 2 half-moves
12 Kcb7 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves