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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Rb8 draw
3 Rc3 draw
4 Rc4 draw
5 Rc5 draw
6 Rc6 draw
7 Kd7 loss in 2 half-moves
8 Kd8 loss in 2 half-moves
9 Ke7 loss in 2 half-moves
10 Kef7 loss in 2 half-moves
11 Kef8 loss in 2 half-moves
12 Kg7 loss in 2 half-moves
13 Kgf7 loss in 2 half-moves
14 Kgf8 loss in 2 half-moves
15 Kh7 loss in 2 half-moves
16 Kh8 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rd8 loss in 2 half-moves