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

EGTB: win in 2 half-moves

# move score
1 Re8 win in 1 half-moves
2 Ra4 draw
3 Rb4 draw
4 Rc4 draw
5 Kd1 loss in 2 half-moves
6 Kd2 loss in 2 half-moves
7 Kee2 loss in 2 half-moves
8 Kef2 loss in 2 half-moves
9 Kfe2 loss in 2 half-moves
10 Kff2 loss in 2 half-moves
11 Kg1 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Re2 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Re5 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves