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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kb3 win in 3 half-moves
3 Kc4 win in 3 half-moves
4 Kd1 win in 3 half-moves
5 Kd3 win in 3 half-moves
6 Kd4 win in 3 half-moves
7 Rb1 win in 9 half-moves
8 Rb3 win in 9 half-moves
9 K1b2 draw
10 K1c2 draw
11 K1d2 draw
12 K3b2 draw
13 K3c2 draw
14 K3d2 draw
15 Kb4 draw
16 Ra8 draw
17 Rb2 draw
18 Rc8 draw
19 Rd8 draw
20 Re8 draw
21 Rb4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves