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 Re8 draw
3 Kc6 loss in 4 half-moves
4 Rc7 loss in 4 half-moves
5 Kb4 loss in 2 half-moves
6 Kb5 loss in 2 half-moves
7 Kb6 loss in 2 half-moves
8 Kc4 loss in 2 half-moves
9 Kd4 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves
17 Ra8 loss in 1 half-moves