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

EGTB: win in 4 half-moves

# move score
1 Re8 win in 3 half-moves
2 Rb4 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Rc8 draw
7 Rd8 draw
8 K7e7 loss in 2 half-moves
9 K7e8 loss in 2 half-moves
10 K7g7 loss in 2 half-moves
11 K7g8 loss in 2 half-moves
12 K8e7 loss in 2 half-moves
13 K8e8 loss in 2 half-moves
14 K8g7 loss in 2 half-moves
15 K8g8 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Kg6 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves