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 Kc8 draw
3 Kd7 draw
4 Rc4 draw
5 Rc5 draw
6 Rc7 draw
7 Rc8 draw
8 Rd3 draw
9 Re3 draw
10 Ke7 loss in 4 half-moves
11 Ke8 loss in 4 half-moves
12 Ra3 loss in 4 half-moves
13 Kc7 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rc2 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 Rb3 loss in 1 half-moves