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 Rd6 win in 3 half-moves
3 Kc7 draw
4 Kc8 draw
5 Kd7 draw
6 Kde7 draw
7 Kde8 draw
8 Kf7 draw
9 Kfe7 draw
10 Kfe8 draw
11 Kg7 draw
12 Kg8 draw
13 Ra6 draw
14 Rb6 draw
15 Re1 draw
16 Re5 draw
17 Re7 draw
18 Re8 draw
19 Re2 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rh6 loss in 2 half-moves