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