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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rg8 win in 1 half-moves
3 K6b7 win in 3 half-moves
4 K7b7 win in 3 half-moves
5 Ka5 win in 3 half-moves
6 Ka8 win in 3 half-moves
7 Ra8 win in 3 half-moves
8 Rb5 win in 3 half-moves
9 Rb6 win in 3 half-moves
10 Rb7 win in 3 half-moves
11 Rc8 win in 3 half-moves
12 Rh8 win in 3 half-moves
13 K6b6 draw
14 K7b6 draw
15 Kb5 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves