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

EGTB: win in 2 half-moves

# move score
1 Kb8 win in 1 half-moves
2 Rb1 win in 1 half-moves
3 Rb2 win in 1 half-moves
4 Rb3 win in 1 half-moves
5 Rb5 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 Rf4 win in 1 half-moves
11 Rg4 win in 1 half-moves
12 Rh4 win in 1 half-moves
13 K8a7 draw
14 K8b7 draw
15 Kb6 draw
16 Ra4 draw
17 Rb6 draw
18 Re4 draw
19 K6a7 loss in 2 half-moves
20 K6b7 loss in 2 half-moves
21 Ka5 loss in 2 half-moves
22 Kb5 loss in 2 half-moves