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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Kb6 draw
3 Kc4 draw
4 Kc6 draw
5 Kd6 draw
6 Rb5 draw
7 Rb6 draw
8 Rb8 draw
9 Rd7 draw
10 Kb4 loss in 6 half-moves
11 Kd4 loss in 6 half-moves
12 Kd5 loss in 6 half-moves
13 Ra7 loss in 6 half-moves
14 Kb5 loss in 4 half-moves
15 Rc7 loss in 4 half-moves
16 Re7 loss in 4 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Rf7 loss in 1 half-moves