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 Kb6 draw
3 Kc7 draw
4 Kd7 draw
5 Ra4 draw
6 Ra5 draw
7 Ra6 draw
8 Ra8 draw
9 Rc7 draw
10 Rf7 draw
11 Rg7 draw
12 Rh7 draw
13 Kb7 loss in 20 half-moves
14 Kb5 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rd7 loss in 2 half-moves