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 Kc3 draw
3 Kd1 draw
4 Kd2 draw
5 Kd3 draw
6 Ra7 draw
7 Rb7 draw
8 Rg7 draw
9 Rc3 loss in 2 half-moves
10 Rc4 loss in 2 half-moves
11 Rd7 loss in 2 half-moves
12 Re7 loss in 2 half-moves
13 Rf7 loss in 2 half-moves
14 Rh7 loss in 2 half-moves
15 Kb1 loss in 1 half-moves
16 Kb2 loss in 1 half-moves
17 Kb3 loss in 1 half-moves
18 Kc1 loss in 1 half-moves
19 Rc5 loss in 1 half-moves
20 Rc6 loss in 1 half-moves