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

EGTB: win in 2 half-moves

# move score
1 Rh1 win in 1 half-moves
2 Ka1 draw
3 Ka2 draw
4 Ka3 draw
5 Kb4 draw
6 Kbb3 draw
7 Kbc2 draw
8 Kc1 draw
9 Kc4 draw
10 Kcb3 draw
11 Kcc2 draw
12 Ra1 draw
13 Rc1 draw
14 Kd2 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves