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 Kg2 draw
3 Kg3 draw
4 Kg4 draw
5 Kh2 draw
6 Kh4 draw
7 Re1 draw
8 Re2 draw
9 Re3 draw
10 Re5 draw
11 Re6 draw
12 Rf4 draw
13 Rg4 draw
14 Rh4 draw
15 Ra4 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Re8 loss in 2 half-moves