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 Kc4 draw
3 Kc5 draw
4 Kc6 draw
5 Kd4 draw
6 Kd6 draw
7 Ke4 draw
8 Ke5 draw
9 Ke6 draw
10 Ra3 draw
11 Rb3 draw
12 Rc1 draw
13 Rc2 draw
14 Rc4 draw
15 Rc5 draw
16 Rc6 draw
17 Rc7 draw
18 Re3 draw
19 Rf3 draw
20 Rg3 draw
21 Rd3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves