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 K6c6 draw
3 K6e6 draw
4 K7c6 draw
5 K7c7 draw
6 K7e6 draw
7 K7e7 draw
8 Kc8 draw
9 Kd8 draw
10 Ke8 draw
11 Ra3 draw
12 Ra7 draw
13 Rb6 draw
14 K6c7 loss in 2 half-moves
15 K6e7 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra8 loss in 2 half-moves