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 Kb6 draw
3 Kb7 draw
4 Kc7 draw
5 Rb5 draw
6 Rb6 draw
7 Rb7 draw
8 Rb8 draw
9 Rc3 draw
10 Rg3 draw
11 Rh3 draw
12 Kd6 loss in 4 half-moves
13 Kd7 loss in 4 half-moves
14 Kb5 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Ra3 loss in 1 half-moves