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

EGTB: win in 2 half-moves

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