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

EGTB: win in 2 half-moves

# move score
1 Rc8 win in 1 half-moves
2 Rb2 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Rd8 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 Ra8 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves