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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Ka6 draw
3 Kb6 draw
4 Kb7 draw
5 Ra4 draw
6 Rb5 draw
7 Rh4 draw
8 Kb8 loss in 18 half-moves
9 Ka8 loss in 6 half-moves
10 Rb3 loss in 6 half-moves
11 Rf4 loss in 6 half-moves
12 Rb1 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves