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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rb4 draw
3 Rb8 draw
4 Re5 draw
5 Rf5 draw
6 Rg5 draw
7 Rh5 draw
8 Ka3 loss in 2 half-moves
9 Kaa2 loss in 2 half-moves
10 Kab1 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kba2 loss in 2 half-moves
13 Kbb1 loss in 2 half-moves
14 Kc1 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rd5 loss in 2 half-moves