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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kc7 draw
3 Kd7 draw
4 Rb6 draw
5 Rb8 draw
6 Kb8 loss in 2 half-moves
7 Kd8 loss in 2 half-moves
8 Ra7 loss in 2 half-moves
9 Rb1 loss in 2 half-moves
10 Rb3 loss in 2 half-moves
11 Rb4 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg7 loss in 1 half-moves
18 Rh7 loss in 1 half-moves