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 Rb4 win in 1 half-moves
3 Ka7 draw
4 Kb6 draw
5 Kb7 draw
6 Rc4 draw
7 Rd4 draw
8 Re1 draw
9 Re2 draw
10 Re3 draw
11 Re5 draw
12 Re6 draw
13 Re7 draw
14 Re8 draw
15 Rf4 draw
16 Rg4 draw
17 Rh4 draw
18 Ka5 loss in 2 half-moves
19 Kb5 loss in 2 half-moves