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