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 Kc1 draw
3 Kc3 draw
4 Rc6 draw
5 Kb3 loss in 12 half-moves
6 Kc2 loss in 12 half-moves
7 Ra6 loss in 12 half-moves
8 Ka2 loss in 10 half-moves
9 Kb1 loss in 10 half-moves
10 Rb5 loss in 10 half-moves
11 Rb7 loss in 10 half-moves
12 Ka1 loss in 6 half-moves
13 Ka3 loss in 6 half-moves
14 Rd6 loss in 4 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rh6 loss in 1 half-moves