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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 K4b4 draw
3 K4b5 draw
4 K5b4 draw
5 K5b5 draw
6 Kb3 draw
7 Kb6 draw
8 Kc3 draw
9 Kc6 draw
10 Kd6 draw
11 Ra1 draw
12 Rh1 draw
13 K4d4 loss in 2 half-moves
14 K4d5 loss in 2 half-moves
15 K5d4 loss in 2 half-moves
16 K5d5 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rg1 loss in 2 half-moves