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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rc3 draw
3 Rc4 draw
4 Rc5 draw
5 Kc7 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Kde7 loss in 2 half-moves
8 Kde8 loss in 2 half-moves
9 Kf7 loss in 2 half-moves
10 Kfe7 loss in 2 half-moves
11 Kfe8 loss in 2 half-moves
12 Kg7 loss in 2 half-moves
13 Kg8 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves