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

EGTB: draw

# move score
1 Rb4 draw
2 Re8 draw
3 Kf1 loss in 2 half-moves
4 Kf2 loss in 2 half-moves
5 Kgg2 loss in 2 half-moves
6 Kgh2 loss in 2 half-moves
7 Khg2 loss in 2 half-moves
8 Khh2 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Rc4 loss in 2 half-moves
11 Rd4 loss in 2 half-moves
12 Re1 loss in 2 half-moves
13 Re2 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves