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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rc4 win in 3 half-moves
3 K1b1 draw
4 K1b2 draw
5 K1d1 draw
6 K1d2 draw
7 K2b1 draw
8 K2b2 draw
9 K2d1 draw
10 K2d2 draw
11 Kb3 draw
12 Kc3 draw
13 Kd3 draw
14 Ra4 draw
15 Rd4 draw
16 Rh1 draw
17 Rh2 draw
18 Rh3 draw
19 Rh8 draw
20 Re4 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rh5 loss in 2 half-moves
24 Rh6 loss in 2 half-moves
25 Rh7 loss in 2 half-moves