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 Rb1 draw
3 Rb6 draw
4 Rb7 draw
5 Rb8 draw
6 Rd4 draw
7 Re4 draw
8 Rf4 draw
9 Kf3 loss in 2 half-moves
10 Kf4 loss in 2 half-moves
11 Kf5 loss in 2 half-moves
12 Kg3 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Kh3 loss in 2 half-moves
15 Kh4 loss in 2 half-moves
16 Kh5 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb5 loss in 2 half-moves