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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Re1 draw
3 Re2 draw
4 Re3 draw
5 K5f6 loss in 2 half-moves
6 K5g6 loss in 2 half-moves
7 K5h6 loss in 2 half-moves
8 K7f6 loss in 2 half-moves
9 K7g6 loss in 2 half-moves
10 K7h6 loss in 2 half-moves
11 Kf4 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Kg4 loss in 2 half-moves
16 Kg8 loss in 2 half-moves
17 Kh4 loss in 2 half-moves
18 Kh5 loss in 2 half-moves
19 Kh7 loss in 2 half-moves
20 Kh8 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rd4 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Re6 loss in 2 half-moves
26 Re7 loss in 2 half-moves
27 Re8 loss in 2 half-moves
28 Rf4 loss in 2 half-moves
29 Rg4 loss in 2 half-moves
30 Rh4 loss in 2 half-moves