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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Kgg7 draw
3 Khg7 draw
4 Khh7 draw
5 Rc4 draw
6 Rd4 draw
7 Re1 draw
8 Re2 draw
9 Re3 draw
10 Re6 draw
11 Re8 draw
12 Rf4 draw
13 Rg4 draw
14 Rh4 draw
15 Kf7 loss in 2 half-moves
16 Kf8 loss in 2 half-moves
17 Kgh7 loss in 2 half-moves
18 Rb4 loss in 1 half-moves
19 Re5 loss in 1 half-moves
20 Re7 loss in 1 half-moves