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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb4 win in 3 half-moves
3 Rf8 win in 3 half-moves
4 Ka5 win in 5 half-moves
5 Kb3 win in 5 half-moves
6 Kb4 win in 5 half-moves
7 Kb5 win in 5 half-moves
8 Ra8 win in 5 half-moves
9 Rb5 win in 5 half-moves
10 Rb6 win in 5 half-moves
11 Rb7 win in 5 half-moves
12 Rc8 win in 5 half-moves
13 Ka3 loss in 4 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves