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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rb2 draw
3 Rb3 draw
4 Rb4 draw
5 Re7 draw
6 Rf7 draw
7 Rg7 draw
8 Rh7 draw
9 Ka1 loss in 2 half-moves
10 Ka2 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kc1 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kg1 loss in 2 half-moves
15 Kg2 loss in 2 half-moves
16 Kh2 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd7 loss in 2 half-moves