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

EGTB: win in 6 half-moves

# move score
1 Re1 win in 5 half-moves
2 Ra4 draw
3 Re3 draw
4 Re7 draw
5 Re8 draw
6 Rf4 draw
7 Rg4 draw
8 Rh4 draw
9 Kf1 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Kgg2 loss in 2 half-moves
12 Kgh2 loss in 2 half-moves
13 Khg2 loss in 2 half-moves
14 Khh2 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 Re2 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Re6 loss in 2 half-moves