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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Ka8 draw
3 Kb7 draw
4 Ra3 draw
5 Rb2 draw
6 Rb5 draw
7 Rb6 draw
8 Rc3 draw
9 Ka7 loss in 8 half-moves
10 Kc7 loss in 2 half-moves
11 Kc8 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rg3 loss in 1 half-moves
18 Rh3 loss in 1 half-moves