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

EGTB: win in 2 half-moves

# move score
1 Re7 win in 1 half-moves
2 Ka6 draw
3 Kb5 draw
4 Kc6 draw
5 Ra4 draw
6 Ra5 draw
7 Rb7 draw
8 Ra6 loss in 10 half-moves
9 Ra8 loss in 8 half-moves
10 Kb7 loss in 6 half-moves
11 Ka5 loss in 4 half-moves
12 Kc7 loss in 4 half-moves
13 Kc5 loss in 2 half-moves
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves