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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ka1 draw
3 Ka2 draw
4 Ka3 draw
5 Kb1 draw
6 Kb3 draw
7 Kc1 draw
8 Kc2 draw
9 Ra7 draw
10 Rc7 draw
11 Rd7 loss in 4 half-moves
12 Rh7 loss in 4 half-moves
13 Kc3 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Re7 loss in 1 half-moves
19 Rf7 loss in 1 half-moves
20 Rg7 loss in 1 half-moves