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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kb6 draw
3 Kc4 draw
4 Kc6 draw
5 Kd4 draw
6 Ra3 draw
7 Rb2 draw
8 Rb5 draw
9 Rb8 draw
10 Rc3 draw
11 Re3 draw
12 Kb4 loss in 4 half-moves
13 Kb5 loss in 4 half-moves
14 Kd5 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves