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

EGTB: win in 6 half-moves

# move score
1 Rc4 win in 5 half-moves
2 Rb2 draw
3 Rb7 draw
4 Rb8 draw
5 Kc3 loss in 2 half-moves
6 Kc4 loss in 2 half-moves
7 Kc5 loss in 2 half-moves
8 Kd3 loss in 2 half-moves
9 Kd5 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Ke3 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Kf8 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves