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

EGTB: win in 2 half-moves

# move score
1 Re1 win in 1 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kd6 draw
5 Kd8 draw
6 Re2 draw
7 Re5 draw
8 Re6 draw
9 Re7 draw
10 Rf8 draw
11 Ra8 loss in 24 half-moves
12 Rd8 loss in 14 half-moves
13 Ke6 loss in 12 half-moves
14 Ke7 loss in 12 half-moves
15 Kc8 loss in 6 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves