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 Re6 win in 5 half-moves
3 Ra4 draw
4 Re1 draw
5 Re5 draw
6 Re7 draw
7 Rg4 draw
8 Rh4 draw
9 K7f7 loss in 2 half-moves
10 K7f8 loss in 2 half-moves
11 K7h7 loss in 2 half-moves
12 K7h8 loss in 2 half-moves
13 K8f7 loss in 2 half-moves
14 K8f8 loss in 2 half-moves
15 K8h7 loss in 2 half-moves
16 K8h8 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Kg6 loss in 2 half-moves
19 Kh6 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Re3 loss in 2 half-moves
25 Rf4 loss in 2 half-moves