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 Rc1 draw
3 Rc2 draw
4 Rc6 draw
5 Rc7 draw
6 Rc8 draw
7 Kf2 loss in 2 half-moves
8 Kf3 loss in 2 half-moves
9 Kf4 loss in 2 half-moves
10 Kg2 loss in 2 half-moves
11 Kg4 loss in 2 half-moves
12 Kh2 loss in 2 half-moves
13 Kh3 loss in 2 half-moves
14 Kh4 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Rc3 loss in 1 half-moves