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 K7b7 win in 3 half-moves
3 K8b8 win in 3 half-moves
4 Kb6 win in 3 half-moves
5 Rb1 win in 3 half-moves
6 Rb2 win in 3 half-moves
7 Rb8 win in 3 half-moves
8 K7b8 draw
9 K8b7 draw
10 Ka6 draw
11 Ra4 draw
12 Rc4 draw
13 Rd4 draw
14 Rh4 draw
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves