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

EGTB: win in 2 half-moves

# move score
1 Re4 win in 1 half-moves
2 Ra3 draw
3 Rb3 draw
4 Rh3 draw
5 Kb7 loss in 2 half-moves
6 Kb8 loss in 2 half-moves
7 Kc7 loss in 2 half-moves
8 Kcd7 loss in 2 half-moves
9 Kcd8 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Ked7 loss in 2 half-moves
14 Ked8 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Kf8 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rg3 loss in 2 half-moves