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

EGTB: win in 2 half-moves

# move score
1 Rc8 win in 1 half-moves
2 Re5 win in 1 half-moves
3 Rf5 win in 1 half-moves
4 Rc6 loss in 8 half-moves
5 Rc7 loss in 6 half-moves
6 Kb3 loss in 2 half-moves
7 Kb4 loss in 2 half-moves
8 Kb5 loss in 2 half-moves
9 Kc3 loss in 2 half-moves
10 Kd3 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rd5 loss in 2 half-moves
16 Rg5 loss in 1 half-moves
17 Rh5 loss in 1 half-moves