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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Ra5 draw
4 Rb3 draw
5 Rb4 draw
6 Rb7 draw
7 Kf1 loss in 2 half-moves
8 Kf2 loss in 2 half-moves
9 Kg2 loss in 2 half-moves
10 Kh1 loss in 2 half-moves
11 Kh2 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rd5 loss in 2 half-moves
16 Re5 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rf5 loss in 1 half-moves
19 Rh5 loss in 1 half-moves