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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Re1 draw
3 Re5 draw
4 Re6 draw
5 Kf5 loss in 2 half-moves
6 Kf7 loss in 2 half-moves
7 Kfg5 loss in 2 half-moves
8 Kg3 loss in 2 half-moves
9 Kg4 loss in 2 half-moves
10 Kg6 loss in 2 half-moves
11 Kg7 loss in 2 half-moves
12 Kh3 loss in 2 half-moves
13 Kh5 loss in 2 half-moves
14 Khg5 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Ke5 loss in 1 half-moves
24 Ke6 loss in 1 half-moves
25 Ke7 loss in 1 half-moves
26 Re7 loss in 1 half-moves