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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Ka5 win in 3 half-moves
3 Rb5 win in 3 half-moves
4 Rb6 win in 3 half-moves
5 Rb7 win in 3 half-moves
6 Rb8 win in 3 half-moves
7 K6b6 win in 5 half-moves
8 K7b7 win in 5 half-moves
9 Ka8 win in 5 half-moves
10 Kb8 win in 5 half-moves
11 Ra4 win in 5 half-moves
12 K6b7 draw
13 K7b6 draw
14 Kb5 draw
15 Rc4 draw
16 Rg4 draw
17 Rh4 draw
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf4 loss in 2 half-moves