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