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