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 Ra7 draw
4 Rb3 draw
5 Rb4 draw
6 Rb5 draw
7 Re7 draw
8 Rf7 draw
9 Rg7 draw
10 Ka2 loss in 2 half-moves
11 Ka7 loss in 2 half-moves
12 Ka8 loss in 2 half-moves
13 Kb1 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kc8 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rd7 loss in 2 half-moves