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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Kf3 draw
3 Kf5 draw
4 Kg1 draw
5 Kg2 draw
6 Kg3 draw
7 Kg4 draw
8 Kg5 draw
9 Kh2 draw
10 Ra7 draw
11 Re2 draw
12 Re6 draw
13 Re8 draw
14 Rf7 draw
15 Rg7 draw
16 Rh7 draw
17 Ke3 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc7 loss in 2 half-moves
22 Rd7 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Re5 loss in 2 half-moves