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

EGTB: win in 2 half-moves

# move score
1 Rh4 win in 1 half-moves
2 Ka2 draw
3 Ka4 draw
4 Kb2 draw
5 Kb3 draw
6 Kb4 draw
7 Ra4 draw
8 Rb4 draw
9 Rd4 draw
10 Re1 draw
11 Re2 draw
12 Re3 draw
13 Re5 draw
14 Re6 draw
15 Re7 draw
16 Rg4 draw
17 Rc4 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf4 loss in 2 half-moves