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 Ka1 draw
3 Ka2 draw
4 Ka3 draw
5 Kb1 draw
6 Kb3 draw
7 Ra7 draw
8 Rb5 draw
9 Rb6 draw
10 Rc7 draw
11 Rh7 loss in 4 half-moves
12 Kc1 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rd7 loss in 1 half-moves