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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Rb4 win in 3 half-moves
3 Ka6 draw
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Rc4 draw
8 Rd4 draw
9 Re1 draw
10 Re2 draw
11 Re3 draw
12 Ka8 loss in 4 half-moves
13 Re5 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves