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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Ka6 draw
3 Kaa7 draw
4 Kab8 draw
5 Kb6 draw
6 Kba7 draw
7 Kbb8 draw
8 Kc6 draw
9 Kc7 draw
10 Kc8 draw
11 Rb8 draw
12 Rd8 draw
13 Re1 draw
14 Re2 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves