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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rb6 win in 1 half-moves
3 Rh7 win in 1 half-moves
4 Rc7 draw
5 Rd7 draw
6 Re7 draw
7 Rf7 draw
8 Rg7 draw
9 Ka7 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Rb1 loss in 1 half-moves
15 Rb2 loss in 1 half-moves
16 Rb3 loss in 1 half-moves
17 Rb4 loss in 1 half-moves