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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb6 win in 1 half-moves
3 Rb7 win in 1 half-moves
4 Kg6 draw
5 Kg7 draw
6 Kg8 draw
7 Kh6 draw
8 Kh8 draw
9 Ra2 draw
10 Rb3 draw
11 Rb4 draw
12 Rb5 draw
13 Rb8 draw
14 Rc2 draw
15 Rd2 draw
16 Re2 draw
17 Rf2 draw
18 Rg2 draw
19 Rh2 draw
20 Kb1 loss in 2 half-moves
21 Ka2 loss in 1 half-moves