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 Kf5 draw
3 Kg5 draw
4 Kh5 draw
5 Rc7 draw
6 Rc8 draw
7 Kf3 loss in 2 half-moves
8 Kf4 loss in 2 half-moves
9 Kg3 loss in 2 half-moves
10 Kh3 loss in 2 half-moves
11 Kh4 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rc2 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves