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 K5b5 draw
3 K5b6 draw
4 K6b5 draw
5 K6b6 draw
6 Kb4 draw
7 Kc4 draw
8 Kc7 draw
9 Ra1 draw
10 Rc2 draw
11 Rc3 draw
12 Rh1 draw
13 K5d5 loss in 2 half-moves
14 K5d6 loss in 2 half-moves
15 K6d5 loss in 2 half-moves
16 K6d6 loss in 2 half-moves
17 Kb7 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd7 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rg1 loss in 2 half-moves