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 Kb1 draw
4 Kb2 draw
5 Kc4 draw
6 Ke4 draw
7 Rc8 draw
8 Rd5 draw
9 Rd6 draw
10 Rd7 draw
11 Re8 draw
12 Rf8 draw
13 Rg8 draw
14 Rh8 draw
15 Kc3 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Ka3 loss in 1 half-moves
22 Kb3 loss in 1 half-moves
23 Ra8 loss in 1 half-moves