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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka3 draw
3 Kb3 draw
4 Kh3 draw
5 Rb6 draw
6 Rb7 draw
7 Rc5 draw
8 Rd5 draw
9 Rf5 draw
10 Ra5 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Rh5 loss in 2 half-moves
18 Ka5 loss in 1 half-moves
19 Kb4 loss in 1 half-moves
20 Kg1 loss in 1 half-moves
21 Kg2 loss in 1 half-moves
22 Kg3 loss in 1 half-moves
23 Kh1 loss in 1 half-moves