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

EGTB: win in 2 half-moves

# move score
1 Ka7 win in 1 half-moves
2 Kb6 draw
3 Ra1 draw
4 Rb2 draw
5 Rb3 draw
6 Rb4 draw
7 Rb7 draw
8 Kb5 loss in 4 half-moves
9 Ka5 loss in 2 half-moves
10 Rb5 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rd1 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Kb7 loss in 1 half-moves
19 Rc1 loss in 1 half-moves