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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Re1 win in 5 half-moves
4 Re4 win in 5 half-moves
5 R4a2 win in 7 half-moves
6 R4a3 win in 7 half-moves
7 R1a2 draw
8 R1a3 draw
9 Rf1 draw
10 Rf4 draw
11 Kb4 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Ka6 loss in 1 half-moves