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 Ra3 draw
3 Ra4 draw
4 Ra5 draw
5 Ra6 draw
6 Rd7 draw
7 K7e7 loss in 2 half-moves
8 K7e8 loss in 2 half-moves
9 K7g7 loss in 2 half-moves
10 K7g8 loss in 2 half-moves
11 K8e7 loss in 2 half-moves
12 K8e8 loss in 2 half-moves
13 K8g7 loss in 2 half-moves
14 K8g8 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Kg6 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rc7 loss in 2 half-moves