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 Ka5 draw
3 Kb5 draw
4 Kb6 draw
5 Ra4 draw
6 Rb1 draw
7 Rb3 draw
8 Rb8 draw
9 Kb7 loss in 8 half-moves
10 Ka7 loss in 6 half-moves
11 Rc4 loss in 4 half-moves
12 Rb5 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Rf4 loss in 1 half-moves