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

EGTB: win in 2 half-moves

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