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 Rb6 win in 1 half-moves
3 Rd3 win in 1 half-moves
4 Rb1 draw
5 Rb7 draw
6 Rb8 draw
7 Ka3 loss in 2 half-moves
8 Ka5 loss in 2 half-moves
9 Kb4 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Ra3 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rh3 loss in 2 half-moves