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 Rf3 win in 1 half-moves
3 Rf7 win in 1 half-moves
4 Rf1 draw
5 Rf2 draw
6 Rf8 draw
7 Kf5 loss in 2 half-moves
8 Kf6 loss in 2 half-moves
9 Kg4 loss in 2 half-moves
10 Kg6 loss in 2 half-moves
11 Kh4 loss in 2 half-moves
12 Kh5 loss in 2 half-moves
13 Kh6 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves