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 Ra1 draw
3 Ra2 draw
4 Ra3 draw
5 Ra5 draw
6 Ra6 draw
7 Ra7 draw
8 Rd4 draw
9 Re4 draw
10 Rf4 draw
11 Kd6 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Kf8 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves