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

EGTB: win in 2 half-moves

# move score
1 Rc6 win in 1 half-moves
2 Rc7 win in 1 half-moves
3 Ra3 draw
4 Kd7 loss in 2 half-moves
5 Kd8 loss in 2 half-moves
6 Ke7 loss in 2 half-moves
7 Kf7 loss in 2 half-moves
8 Kf8 loss in 2 half-moves
9 Rb3 loss in 2 half-moves
10 Rc1 loss in 2 half-moves
11 Rc2 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Rc5 loss in 1 half-moves