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

EGTB: win in 2 half-moves

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