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

EGTB: win in 4 half-moves

# move score
1 Kc6 win in 3 half-moves
2 Kc7 win in 3 half-moves
3 Rc8 win in 3 half-moves
4 Rb8 win in 11 half-moves
5 Ra8 win in 17 half-moves
6 Ka4 draw
7 Ka7 draw
8 Ka8 draw
9 Kaa6 draw
10 Kab6 draw
11 Kb4 draw
12 Kb5 draw
13 Kb8 draw
14 Kba6 draw
15 Kbb6 draw
16 Kc8 draw
17 Rd2 draw
18 Re8 draw
19 Rd1 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Rd5 loss in 2 half-moves
23 Rd6 loss in 2 half-moves
24 Rd7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves