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

EGTB: win in 2 half-moves

# move score
1 Rc4 win in 1 half-moves
2 Ka1 draw
3 Ka2 draw
4 Ka3 draw
5 Kb1 draw
6 Kb3 draw
7 Kc1 draw
8 Kc2 draw
9 Kc3 draw
10 Ra7 draw
11 Rb7 draw
12 Rc2 draw
13 Rc3 draw
14 Rc5 draw
15 Rc8 draw
16 Rd7 draw
17 Re7 draw
18 Rf7 draw
19 Rg7 draw
20 Rc1 loss in 2 half-moves
21 Rc6 loss in 2 half-moves
22 Rh7 loss in 2 half-moves