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 Kc7 draw
4 Kd6 draw
5 Kd7 draw
6 Ra7 draw
7 Rb5 draw
8 Rb6 draw
9 Rb8 draw
10 Rc7 draw
11 Rf7 draw
12 Rg7 draw
13 Rh7 draw
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 Rb3 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Re7 loss in 2 half-moves