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V.Lepchenko / S.Zhengv K.Date-Krumm / A.Parra Santonja
Varvara Lepchenko
Saisai Zheng
Margaret Court Arena - Women's Doubles | 3rd Round
V.Lepchenko
S.Zheng
 
3
6
77
 
 
Match Completed
Points
1
2
3
4
5
Elapsed Time by Set:
38
42
71
Kimiko Date-Krumm
Arantxa Parra Santonja
SlamTracker

IBM SlamTracker

Australian Open SlamTracker, a real-time stats and analytics visualisation platform, is leveraging IBM's predictive analytics technology to pinpoint three "Keys to the Match" that each player needs to come out ahead. Advanced algorithms analyse more than 39 million data points from five years of Grand Slam tournaments. Served with this historical data, each competitor's performance styles and patterns are then indexed across the pair's head-to-head record to generate the top three "Keys" each competitor needs to win.

Launch SlamTracker for Live Scores and Stats
1st Serve 2nd Serve
Choose Statistic:
Key Strength
Key Strength
KEY STRENGTH:  
The Key Strength indicates how important this key is to the match.

The importance is determined by the distribution of data available for the player, the player's opponent and other analytical factors used to define the key.
KEY STATUS INDICATOR:
Varvara Lepchenko
Saisai Zheng
Stats
Kimiko Date-Krumm
Arantxa Parra Santonja
2
Double faults
2
15/26 (58 %)
1st serves in
21/35 (60 %)
8/15 (53 %)
1st serve points won
14/21 (67 %)
5/11 (45 %)
2nd serve points won
7/14 (50 %)
1/2 (50 %)
Break points won
2/2 (100 %)
14/35 (38 %)
Receiving points won
13/26 (46 %)
14
Winners
8
16
Unforced errors
8
27
Total points won
34
Varvara Lepchenko
Saisai Zheng
Kimiko Date-Krumm
Arantxa Parra Santonja
Total
1st Serve
2nd Serve
 
1st Serve
2nd Serve
Total
0
2
26
13
4
140 KMH
158 KMH
15
8
150 KMH
158 KMH
11
5
123 KMH
135 KMH
Service winners
Double Faults
Total Points
Total Points Won
Service Games
Average Serve Speed
Fastest Serve Speed
21
14
139 KMH
160 KMH
14
7
118 KMH
131 KMH
0
2
35
21
5
132 KMH
160 KMH
Varvara Lepchenko
Saisai Zheng
Kimiko Date-Krumm
Arantxa Parra Santonja
Total
1st Serve
2nd Serve
 
1st Serve
2nd Serve
Total
9
8
35
14
21
7
14
7
Return winners
Return Unforced Errors
Return Points
Return Points Won
15
7
11
6
3
3
26
13
Varvara Lepchenko
Saisai Zheng
Kimiko Date-Krumm
Arantxa Parra Santonja
Winners
Forced Errors
Unforced Errors
 
Winners
Forced Errors
Unforced Errors
FH
BH
FH
BH
FH
BH
 
FH
BH
FH
BH
FH
BH
-
-
-
-
1
-
-
-
1
-
-
4
3
2
-
-
-
-
-
1
1
1
-
-
1
-
3
-
-
-
-
-
2
3
1
-
1
-
1
3
2
-
Approach Shots
Drop Shots
Ground Strokes
Lobs
Overhead Shots
Passing Shots
Volleys
-
-
-
-
-
2
-
-
-
-
3
-
2
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
-
-
-
-
-
1
-
-
2
Varvara Lepchenko
Saisai Zheng
Stats
Kimiko Date-Krumm
Arantxa Parra Santonja
1
Aces
0
22/33 (67 %)
1st serves in
15/26 (58 %)
15/22 (68 %)
1st serve points won
4/15 (27 %)
6/11 (55 %)
2nd serve points won
8/11 (73 %)
2/8 (25 %)
Break points won
1/1 (100 %)
14/26 (54 %)
Receiving points won
12/33 (36 %)
14
Winners
7
12
Unforced errors
10
35
Total points won
24
Varvara Lepchenko
Saisai Zheng
Kimiko Date-Krumm
Arantxa Parra Santonja
Total
1st Serve
2nd Serve
 
1st Serve
2nd Serve
Total
0
0
33
21
5
141 KMH
168 KMH
22
15
150 KMH
168 KMH
11
6
121 KMH
136 KMH
Service winners
Double Faults
Total Points
Total Points Won
Service Games
Average Serve Speed
Fastest Serve Speed
15
4
139 KMH
170 KMH
11
8
116 KMH
126 KMH
0
0
26
12
4
129 KMH
170 KMH
Varvara Lepchenko
Saisai Zheng
Kimiko Date-Krumm
Arantxa Parra Santonja
Total
1st Serve
2nd Serve
 
1st Serve
2nd Serve
Total
5
5
26
14
15
11
11
3
Return winners
Return Unforced Errors
Return Points
Return Points Won
22
7
11
5
4
4
33
12
Varvara Lepchenko
Saisai Zheng
Kimiko Date-Krumm
Arantxa Parra Santonja
Winners
Forced Errors
Unforced Errors
 
Winners
Forced Errors
Unforced Errors
FH
BH
FH
BH
FH
BH
 
FH
BH
FH
BH
FH
BH
-
-
-
-
-
1
-
-
3
-
1
1
5
2
-
-
-
-
-
1
-
-
-
-
1
1
-
1
1
-
-
-
2
-
-
-
1
-
1
1
2
2
Approach Shots
Drop Shots
Ground Strokes
Lobs
Overhead Shots
Passing Shots
Volleys
-
-
-
-
-
-
-
-
-
-
-
1
2
3
-
-
-
-
3
-
-
-
-
-
1
1
1
2
-
-
-
-
1
2
-
1
-
-
1
-
2
2
Varvara Lepchenko
Saisai Zheng
Stats
Kimiko Date-Krumm
Arantxa Parra Santonja
0
Aces
1
25/38 (66 %)
1st serves in
39/58 (67 %)
16/25 (64 %)
1st serve points won
24/39 (62 %)
7/13 (54 %)
2nd serve points won
9/19 (47 %)
2/8 (25 %)
Break points won
2/3 (67 %)
25/58 (43 %)
Receiving points won
15/38 (39 %)
21
Winners
21
16
Unforced errors
13
48
Total points won
48
Varvara Lepchenko
Saisai Zheng
Kimiko Date-Krumm
Arantxa Parra Santonja
Total
1st Serve
2nd Serve
 
1st Serve
2nd Serve
Total
0
0
38
23
6
134 KMH
165 KMH
25
16
144 KMH
165 KMH
13
7
114 KMH
122 KMH
Service winners
Double Faults
Total Points
Total Points Won
Service Games
Average Serve Speed
Fastest Serve Speed
39
24
143 KMH
171 KMH
19
9
115 KMH
124 KMH
1
0
58
33
7
134 KMH
171 KMH
Varvara Lepchenko
Saisai Zheng
Kimiko Date-Krumm
Arantxa Parra Santonja
Total
1st Serve
2nd Serve
 
1st Serve
2nd Serve
Total
10
11
58
25
39
15
19
10
Return winners
Return Unforced Errors
Return Points
Return Points Won
25
9
13
6
6
5
38
15
Varvara Lepchenko
Saisai Zheng
Kimiko Date-Krumm
Arantxa Parra Santonja
Winners
Forced Errors
Unforced Errors
 
Winners
Forced Errors
Unforced Errors
FH
BH
FH
BH
FH
BH
 
FH
BH
FH
BH
FH
BH
-
-
-
1
-
-
-
-
2
-
1
1
11
3
-
-
-
-
-
-
-
-
-
-
2
2
1
1
-
-
-
-
1
-
2
-
-
-
1
-
3
5
Approach Shots
Drop Shots
Ground Strokes
Lobs
Overhead Shots
Passing Shots
Volleys
-
-
-
2
1
-
-
-
-
1
1
3
2
9
-
-
-
-
1
1
1
-
-
-
1
1
-
4
-
-
-
1
1
1
-
1
-
-
2
-
4
1
Varvara Lepchenko
Saisai Zheng
Stats
Kimiko Date-Krumm
Arantxa Parra Santonja
1
Aces
1
2
Double faults
2
62/97 (64 %)
1st serves in
75/119 (63 %)
39/62 (63 %)
1st serve points won
42/75 (56 %)
18/35 (51 %)
2nd serve points won
24/44 (55 %)
5/18 (28 %)
Break points won
5/6 (83 %)
53/119 (45 %)
Receiving points won
40/97 (41 %)
49
Winners
36
44
Unforced errors
31
110
Total points won
106
Varvara Lepchenko
Saisai Zheng
Kimiko Date-Krumm
Arantxa Parra Santonja
Total
1st Serve
2nd Serve
 
1st Serve
2nd Serve
Total
0
2
97
57
15
138 KMH
168 KMH
62
39
148 KMH
168 KMH
35
18
119 KMH
136 KMH
Service winners
Double Faults
Total Points
Total Points Won
Service Games
Average Serve Speed
Fastest Serve Speed
75
42
141 KMH
171 KMH
44
24
116 KMH
131 KMH
1
2
119
66
16
132 KMH
171 KMH
Varvara Lepchenko
Saisai Zheng
Kimiko Date-Krumm
Arantxa Parra Santonja
Total
1st Serve
2nd Serve
 
1st Serve
2nd Serve
Total
24
24
119
53
75
33
44
20
Return winners
Return Unforced Errors
Return Points
Return Points Won
62
23
35
17
13
12
97
40
Varvara Lepchenko
Saisai Zheng
Kimiko Date-Krumm
Arantxa Parra Santonja
Winners
Forced Errors
Unforced Errors
 
Winners
Forced Errors
Unforced Errors
FH
BH
FH
BH
FH
BH
 
FH
BH
FH
BH
FH
BH
-
-
-
1
1
1
-
-
6
-
2
6
19
7
-
-
-
-
-
2
1
1
-
-
4
3
4
2
1
-
-
-
5
3
3
-
2
-
3
4
7
7
Approach Shots
Drop Shots
Ground Strokes
Lobs
Overhead Shots
Passing Shots
Volleys
-
-
-
2
1
2
-
-
-
1
4
4
6
13
-
-
-
-
4
1
1
-
-
-
2
2
1
6
-
-
-
1
3
3
-
2
-
-
4
-
6
5
Player 1 TP
Player 1 TP
Turning Points
  • Aces
  • Winners
  • Double Faults
  • Unforced Errors
  • Net Points
  • Break Points
  • Break Points Won
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