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

EGTB: win in 2 half-moves

# move score
1 Ka8 win in 1 half-moves
2 Kc8 win in 1 half-moves
3 Ka6 draw
4 Ka7 draw
5 Kb8 draw
6 Ra3 draw
7 Rb2 draw
8 Rc3 draw
9 Kb6 loss in 4 half-moves
10 Kc6 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rh3 loss in 2 half-moves
20 Rg3 loss in 1 half-moves