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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Ra3 draw
5 Rb1 draw
6 Rb4 draw
7 Rb5 draw
8 Rb6 draw
9 Ka7 loss in 6 half-moves
10 Rc3 loss in 4 half-moves
11 Rb7 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rd3 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Rg3 loss in 2 half-moves
16 Rh3 loss in 2 half-moves
17 Rf3 loss in 1 half-moves