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 Kf2 draw
3 Kf3 draw
4 Kg2 draw
5 Kh3 draw
6 Kh4 draw
7 Re4 draw
8 Rf4 draw
9 Rg5 draw
10 Rg6 draw
11 Rg8 draw
12 Rh4 draw
13 Kf4 loss in 16 half-moves
14 Kh2 loss in 4 half-moves
15 Ra4 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rg7 loss in 2 half-moves