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 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc7 draw
6 Kd1 draw
7 Kf1 draw
8 Kf2 draw
9 Ra1 draw
10 Rb1 draw
11 Kc5 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rd1 loss in 2 half-moves