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

EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Rb1 draw
3 Rb2 draw
4 Rb3 draw
5 Rb4 draw
6 Kc6 loss in 2 half-moves
7 Kc7 loss in 2 half-moves
8 Kc8 loss in 2 half-moves
9 Kd5 loss in 2 half-moves
10 Kd8 loss in 2 half-moves
11 Kdd6 loss in 2 half-moves
12 Kde7 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Ke8 loss in 2 half-moves
15 Ked6 loss in 2 half-moves
16 Kee7 loss in 2 half-moves
17 Kf5 loss in 2 half-moves
18 Kf6 loss in 2 half-moves
19 Kf7 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb8 loss in 2 half-moves