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

EGTB: win in 12 half-moves

# move score
1 Ra8 win in 11 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kc4 draw
6 Kc5 draw
7 Kd4 draw
8 Kd6 draw
9 Ke4 draw
10 Ke5 draw
11 Ke6 draw
12 Rb8 draw
13 Rc8 draw
14 Rd6 draw
15 Rd7 draw
16 Rh8 draw
17 Kc6 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves