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 Rb8 win in 5 half-moves
3 Kc7 draw
4 Ra7 draw
5 Rb1 draw
6 Rb2 draw
7 Rb3 draw
8 Kc6 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Ke6 loss in 2 half-moves
13 Ke7 loss in 2 half-moves
14 Ke8 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Kh7 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves