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

EGTB: win in 4 half-moves

# move score
1 Re4 win in 3 half-moves
2 Ra4 draw
3 Rb4 draw
4 Rc4 draw
5 Rd4 draw
6 Rf1 draw
7 Rf2 draw
8 Rg4 draw
9 Ke4 loss in 2 half-moves
10 Ke5 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Kf6 loss in 2 half-moves
13 Kh4 loss in 2 half-moves
14 Kh6 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rh4 loss in 2 half-moves
17 Kfg4 loss in 1 half-moves
18 Kfg5 loss in 1 half-moves
19 Kfg6 loss in 1 half-moves
20 Khg4 loss in 1 half-moves
21 Khg5 loss in 1 half-moves
22 Khg6 loss in 1 half-moves