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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 K1b1 win in 3 half-moves
3 K2b2 win in 3 half-moves
4 Ka3 win in 3 half-moves
5 Kb3 win in 3 half-moves
6 Ra4 win in 3 half-moves
7 Rb1 win in 3 half-moves
8 Rb2 win in 3 half-moves
9 Rb3 win in 3 half-moves
10 K1b2 draw
11 K2b1 draw
12 Rc4 draw
13 Rd4 draw
14 Re4 draw
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves