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

EGTB: win in 2 half-moves

# move score
1 Rd4 win in 1 half-moves
2 Ka2 draw
3 Ka4 draw
4 Kb2 draw
5 Kb3 draw
6 Kb4 draw
7 Kg3 draw
8 Kg4 draw
9 Kh3 draw
10 Ra4 draw
11 Rb4 draw
12 Rc4 draw
13 Re1 draw
14 Re2 draw
15 Re3 draw
16 Re5 draw
17 Re6 draw
18 Kg5 loss in 2 half-moves
19 Kh5 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rg4 loss in 2 half-moves