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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Rh7 win in 1 half-moves
3 Rb5 draw
4 Rd7 draw
5 Ka7 loss in 2 half-moves
6 Kb8 loss in 2 half-moves
7 Ra7 loss in 2 half-moves
8 Rb3 loss in 2 half-moves
9 Rb8 loss in 2 half-moves
10 Rc7 loss in 2 half-moves
11 Re7 loss in 2 half-moves
12 Rf7 loss in 2 half-moves
13 Rg7 loss in 2 half-moves
14 Rb1 loss in 1 half-moves
15 Rb2 loss in 1 half-moves
16 Rb4 loss in 1 half-moves