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 Kb8 draw
3 Kc7 draw
4 Kd7 draw
5 Kd8 draw
6 Rb8 draw
7 Rc7 draw
8 Rd7 draw
9 Ra7 loss in 4 half-moves
10 Re7 loss in 4 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rf7 loss in 1 half-moves
17 Rg7 loss in 1 half-moves
18 Rh7 loss in 1 half-moves