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 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kg1 draw
6 Ra6 draw
7 Rb1 draw
8 Rb2 draw
9 Rb7 draw
10 Rc6 draw
11 Rd6 draw
12 Rh6 draw
13 Kg2 loss in 2 half-moves
14 Kh2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rg6 loss in 2 half-moves