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

EGTB: win in 2 half-moves

# move score
1 Rc1 win in 1 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kd6 draw
5 Kd8 draw
6 Rc5 draw
7 Rc7 draw
8 Rc8 draw
9 Ke6 loss in 4 half-moves
10 Ke7 loss in 4 half-moves
11 Ke8 loss in 4 half-moves
12 Ra6 loss in 4 half-moves
13 Rb6 loss in 4 half-moves
14 Rc2 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves