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 Kg5 draw
3 Re1 draw
4 Re7 draw
5 a2 loss in 2 half-moves
6 Kf3 loss in 2 half-moves
7 Kf4 loss in 2 half-moves
8 Kf5 loss in 2 half-moves
9 Kg3 loss in 2 half-moves
10 Kh3 loss in 2 half-moves
11 Kh5 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Kh4 loss in 1 half-moves