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 Kc5 draw
4 Kc7 draw
5 Kd5 draw
6 Kd6 draw
7 Kd7 draw
8 Ra7 draw
9 Rb5 draw
10 Rb6 draw
11 Rd7 draw
12 Rc7 loss in 6 half-moves
13 Kb5 loss in 4 half-moves
14 Re7 loss in 4 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rf7 loss in 1 half-moves
20 Rg7 loss in 1 half-moves
21 Rh7 loss in 1 half-moves