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

EGTB: win in 6 half-moves

# move score
1 Rc8 win in 5 half-moves
2 Ka2 draw
3 Ka5 draw
4 Ka6 draw
5 Kaa4 draw
6 Kab4 draw
7 Kb2 draw
8 Kb3 draw
9 Kb6 draw
10 Kba4 draw
11 Kbb4 draw
12 Ra8 draw
13 Rd8 draw
14 Rh8 draw
15 Kc4 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves