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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Ka5 draw
3 Ka8 draw
4 Kaa7 draw
5 Kab7 draw
6 Kb6 draw
7 Kba7 draw
8 Kbb7 draw
9 Ra4 draw
10 Rb1 draw
11 Rb2 draw
12 Rb3 draw
13 Rc4 draw
14 Rd4 draw
15 Rf4 draw
16 Rh4 draw
17 Kc7 loss in 2 half-moves
18 Kc8 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Rg4 loss in 2 half-moves