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 Kb6 win in 5 half-moves
3 Kb7 win in 5 half-moves
4 Kb8 win in 5 half-moves
5 Kc6 win in 5 half-moves
6 Kc8 win in 5 half-moves
7 Rc5 win in 5 half-moves
8 Kd6 draw
9 Kd7 draw
10 Kd8 draw
11 Rc2 draw
12 Rh4 draw
13 Ra4 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves