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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Rg7 win in 1 half-moves
3 Rh7 win in 1 half-moves
4 Kb7 draw
5 Kb8 draw
6 Kc7 draw
7 Kd7 draw
8 Kd8 draw
9 Ra1 draw
10 Ra3 draw
11 Ra4 draw
12 Ra5 draw
13 Ra6 draw
14 Ra8 draw
15 Rb7 draw
16 Rc7 draw
17 Rd7 draw
18 Re7 draw
19 Rf7 draw