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 Ra3 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Re3 draw
7 Rf3 draw
8 Rg3 draw
9 Rh3 draw
10 Ka1 loss in 2 half-moves
11 Ka2 loss in 2 half-moves
12 Kbb2 loss in 2 half-moves
13 Kbc2 loss in 2 half-moves
14 Kcb2 loss in 2 half-moves
15 Kcc2 loss in 2 half-moves
16 Kd1 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rd3 loss in 2 half-moves