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

EGTB: win in 4 half-moves

# move score
1 Rh5 win in 3 half-moves
2 Rh6 win in 3 half-moves
3 Rh7 win in 3 half-moves
4 Ka5 draw
5 Ka6 draw
6 Ka7 draw
7 Kbb5 draw
8 Kbb7 draw
9 Kbc5 draw
10 Kbc7 draw
11 Kcb5 draw
12 Kcb7 draw
13 Kcc5 draw
14 Kcc7 draw
15 Kd5 draw
16 Kd6 draw
17 Kd7 draw
18 Ra3 draw
19 Rb3 draw
20 Rf3 draw
21 Rg3 draw
22 Rh4 draw
23 Rh8 draw
24 Rc3 loss in 2 half-moves
25 Rd3 loss in 2 half-moves
26 Re3 loss in 2 half-moves
27 Rh1 loss in 2 half-moves
28 Rh2 loss in 2 half-moves