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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Rb1 draw
8 Rb2 draw
9 Rb3 draw
10 Rb5 draw
11 Rb7 draw
12 Rd4 draw
13 Re4 draw
14 Rg4 draw
15 Rh4 draw
16 Ra4 loss in 4 half-moves
17 Rb6 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves