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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Rb8 win in 3 half-moves
5 K6a7 draw
6 K6b7 draw
7 K8a7 draw
8 K8b7 draw
9 Kb5 draw
10 Kb6 draw
11 Kb8 draw
12 Ra4 draw
13 Rb3 draw
14 Rb7 draw
15 Rf4 draw
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves