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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Rg7 win in 1 half-moves
3 Rh7 win in 1 half-moves
4 Kg3 draw
5 Kg4 draw
6 Kg5 draw
7 Kh3 draw
8 Kh5 draw
9 Ra7 draw
10 Rb1 draw
11 Rb2 draw
12 Rb4 draw
13 Rb6 draw
14 Rb8 draw
15 Rd7 draw
16 Re7 draw
17 Rf7 draw
18 Ka7 loss in 2 half-moves
19 Kb8 loss in 1 half-moves
20 Rb5 loss in 1 half-moves
21 Rc7 loss in 1 half-moves