Click on the third or sixth rank to set the en passant target square.

EGTB: win in 10 half-moves

# move score
1 Rc4 win in 9 half-moves
2 Rb6 draw
3 Rb7 draw
4 Rb8 draw
5 Rd4 draw
6 Re4 draw
7 Rf4 draw
8 Rg4 draw
9 Rh4 draw
10 Kd5 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rb5 loss in 2 half-moves