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