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 K7b7 draw
3 K8b7 draw
4 Ra4 draw
5 Rb1 draw
6 Rb2 draw
7 Rb3 draw
8 Rb7 draw
9 Rb8 draw
10 Rd4 draw
11 Re4 draw
12 Rf4 draw
13 K7b8 loss in 2 half-moves
14 Ka6 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 K8b8 loss in 1 half-moves
17 Rb6 loss in 1 half-moves
18 Rc4 loss in 1 half-moves
19 Rg4 loss in 1 half-moves
20 Rh4 loss in 1 half-moves