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

EGTB: win in 4 half-moves

# move score
1 Rc6 win in 3 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kc6 draw
5 Kd5 draw
6 Kd6 draw
7 Kg5 draw
8 Kg6 draw
9 Kh6 draw
10 Ra8 draw
11 Rb8 draw
12 Rc7 draw
13 Rg8 draw
14 Rh8 draw
15 Kb4 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kg4 loss in 2 half-moves
19 Kh4 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves