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 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Rb8 draw
7 Ke3 loss in 2 half-moves
8 Ke4 loss in 2 half-moves
9 Ke5 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Kf5 loss in 2 half-moves
12 Kff3 loss in 2 half-moves
13 Kfg4 loss in 2 half-moves
14 Kg2 loss in 2 half-moves
15 Kg5 loss in 2 half-moves
16 Kgf3 loss in 2 half-moves
17 Kgg4 loss in 2 half-moves
18 Kh2 loss in 2 half-moves
19 Kh3 loss in 2 half-moves
20 Kh4 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rc4 loss in 2 half-moves
25 Rd4 loss in 2 half-moves