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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Rc7 win in 1 half-moves
3 Re7 win in 1 half-moves
4 Rf7 win in 1 half-moves
5 Rg7 win in 1 half-moves
6 Rb8 win in 3 half-moves
7 Kc7 draw
8 Kc8 draw
9 Kd7 draw
10 Ke7 draw
11 Ke8 draw
12 Ra1 draw
13 Ra2 draw
14 Ra3 draw
15 Ra4 draw
16 Ra5 draw
17 Ra6 draw
18 Rc8 draw
19 Rd7 draw
20 Rh7 loss in 1 half-moves