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 Kh7 win in 5 half-moves
3 Rc7 win in 5 half-moves
4 Kc5 draw
5 Kg5 draw
6 Kg6 draw
7 Kg7 draw
8 Kh5 draw
9 Rc5 draw
10 Rf8 draw
11 Rh8 draw
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rg8 loss in 2 half-moves