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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kf3 draw
3 Kf4 draw
4 Kf5 draw
5 Kg3 draw
6 Kg5 draw
7 Kh3 draw
8 Kh4 draw
9 Kh5 draw
10 Rc4 draw
11 Rd4 draw
12 Re1 draw
13 Re3 draw
14 Re5 draw
15 Re6 draw
16 Rf4 draw
17 Ra4 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Re8 loss in 2 half-moves