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

EGTB: win in 2 half-moves

# move score
1 Kb1 win in 1 half-moves
2 Rb1 win in 1 half-moves
3 Rb2 win in 1 half-moves
4 Rb5 win in 1 half-moves
5 Rb6 win in 1 half-moves
6 Rb7 win in 1 half-moves
7 Rb8 win in 1 half-moves
8 Rc4 win in 1 half-moves
9 Rd4 win in 1 half-moves
10 Re4 win in 1 half-moves
11 Rf4 win in 1 half-moves
12 Rg4 win in 1 half-moves
13 Rh4 win in 1 half-moves
14 K3a2 win in 5 half-moves
15 K1a2 draw
16 K1b2 draw
17 K3b2 draw
18 Ka4 draw
19 Kb3 draw
20 Ra4 draw
21 Rb3 draw