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 K2e3 draw
3 K4e3 draw
4 Ra4 draw
5 Rb4 draw
6 Rc4 draw
7 Re2 draw
8 Re3 draw
9 Re7 draw
10 Re8 draw
11 Ke1 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Kf1 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Kg1 loss in 2 half-moves
17 Kg2 loss in 2 half-moves
18 Kg4 loss in 2 half-moves
19 Kg5 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 K2f3 loss in 1 half-moves
24 K2g3 loss in 1 half-moves
25 K4f3 loss in 1 half-moves
26 K4g3 loss in 1 half-moves