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

EGTB: win in 4 half-moves

# move score
1 Re7 win in 3 half-moves
2 Ke7 draw
3 Ke8 draw
4 Kf7 draw
5 Kfg7 draw
6 Kfg8 draw
7 Kg6 draw
8 Kh6 draw
9 Kh8 draw
10 Khg7 draw
11 Khg8 draw
12 Ra1 draw
13 Ra2 draw
14 Ra4 draw
15 Ra5 draw
16 Ra6 draw
17 Ra8 draw
18 Rb7 draw
19 Rc7 draw
20 Rd7 draw
21 Rf7 draw
22 Ra3 loss in 2 half-moves
23 Rg7 loss in 2 half-moves